A nation's industrial development begins with junior engineers.

The jeep continued on, but not out of the winding alleyways it had come through at the beginning. Turning a corner, Little Dumb Hair looked at the two-story bluestone house with some surprise.

"Xiyinglou Guanda Garden Tea House?"

Old Wang almost spat out his mouthful of salt soda.

"My little ancestor, that's Daguanlou, not Daguanlou Cinema!"

"Hmph, do you think I don't know? Let's lighten the mood! Dingjun Mountain was filmed here!" Jiang Xia wiped his sweat, reciting the words smoothly from left to right—after all, there were words on both the left and right sides...

As for how I knew there was a movie called Dingjun Mountain here, well, there's a poster hanging next to this building!

"Hey, wait a minute, Old Wang has a new movie? The Red Detachment of Women!"

Jiang Xia peered out the car window and saw someone drawing a poster in front of the photo studio. The design at the bottom wasn't finished yet, but the movie title in cursive script was already eye-catching.

"Oh? You want to see it? The ticket price is a bit expensive. Let the projectionist at the studio show it; it's free and you don't have to fight for a seat. If you think it's too crowded and noisy, I can take you back to the theater. I don't really like it here."

Little Doe waved his hand dismissively, "No way, wait a minute. Didn't they say Grand View Pavilion is really impressive? I have to experience it myself..."

Ha, he won't give up until he's hit rock bottom, he won't shed tears until he sees the coffin. Old Wang straightened his belt and coldly watched as Little Dumb Mao excitedly ran to the ticket window.

"1,2,3..."

Before he could even count to 50, Little Dumb Hair slunk back into the car.

"This is outrageous! A movie ticket costs 2 yuan! Even with tea, I could buy half a jin of Longjing tea for 2 yuan!"

"What do you think!" Old Wang sneered, looking at the indignant Jiang Xia.

"This is where cultured people come from; their monthly salary is enough for you to save for a year..."

Jiang Xia calculated his salary and exclaimed, "(艹皿艹 )!"

"Retained salary?"

"Hmm! This group of people, apart from Master Mei and Master Zhou, the rest, hehe..."

As Lao Wang drove, he scoffed at certain people.

"Hahaha, I know who you're talking about..."

Jiang Xia paused for a moment: "If we can't enlighten the people and improve their lives through literature, and we can't abolish treaties and recover lost territories through military force, are we supposed to find value in old papers and existence in ashes?"

Getting carried away, Jiang Xia shouted out the car window, "How laughable, how laughable is this little scholar!"

"Hey! These two lines are much better than your crappy poem!" Old Wang pulled a small liquor bottle from his breast pocket. "Here's a reward for you!"

"Oh, you're hiding something?"

"Yeah, it's a souvenir from the stormtroopers when we were rowing. We thought if we drank this, we'd cross the sea, but unfortunately we never got to use it..."

Jiang Xia glanced at the small wine bottle's gleaming exterior, then slipped it into his pocket. He wondered if that unfilial son from the future had returned home yet…

The car continued on its way, and Old Wang pointed to a small building on the side of the road and introduced it to Jiang Xia:

"Look, this is the best place to watch a play. That beloved old man came straight here to see their new play as soon as he got off the plane..."

Jiang Xia peered out the car window and exclaimed, "The Qianmen Small Theater? Hey, it really is small. It probably only holds 300 or 400 people at most!"

"Ugh, this workmanship is pretty rough, the grout lines aren't even the same width..."

"It's already impressive that it can be built! It was built by the artists themselves, who worked as laborers. Compared to those inexplicable titles, I think the people here are capable!"

As he spoke, Lao Wang slowed down the car so that Jiang Xia could take a good look at the poster at the entrance.

"Quju Opera of Beijing!"

"Yang Naiwu and that guy, Liu Shujing" In particular, after Liu Shujing, there was a line of big characters: Watch the new play, learn about the marriage law!

Finally, there's an introduction to a new drama called "A Tale of Laughter and Tears".

Wow, life in Beijing is so rich these days! Jiang Xia feels like he's missed out on so much...

"Riding a swift horse in the spring breeze, when I rest, I want to admire all the flowers in Beijing!"

Old Wang glanced at the little brat's tuft of hair bobbing up and down, his eyes drooping slightly. "Yeah, he should come out more often. Even Dean Qian takes time off..."

"There's no other way. Some things are hard to delegate to others. After all, C programming and integrated circuits are indeed quite difficult. Two years, I guess. After two years, the people from the Academy of Sciences will be able to take over, and then I can hand over the computer science part..."

"Once the integrated chip comes out, I can build a five-axis machine tool, hehehe."

Seeing Jiang Xia lost in her own fantasy, Old Wang's lips twitched again: Little ancestor, that's what I meant! Someone's worried about your marriage!

But thinking about how he's almost 30 and still single, Old Wang sighed: Why isn't my dad worried?

"By the way, what note did you leave for 701?"

“A formula, related to group theory.” Jiang Xia lowered his head, recalling the formula written by the young man.

"However, that shouldn't be the case. There is some debate about the automorphism of groups, but the concept of the center of a group was defined as early as the beginning of the 20th century. Why is that comrade stuck here?"

Old Wang was silent for a while, then said, "He seems to have a teacher who's from the Bald Eagle side... Hopefully, what you've given him will help him find his way out of the fog..."

"You must not look down on them. Although they didn't make a big fuss, in some people's eyes, their achievements are a life-saving grace!"

"Yes! That's normal. Deciphering intelligence can indeed have a lot of direct or indirect impacts!"

"Why are you looking at me with such surprise! Although group theory has its uses in other areas, it is inherently designed for decryption. Deducing what 701 does from this is a piece of cake, isn't it?"

"So, when you have some free time later, remind the comrades over there to apply a thicker layer of plaster. You know, the French are really good at math..."

Little Dai Mao proudly raised his neck again and reached out to manually close Old Wang's mouth, which he couldn't close for a long time.

To understand why Jiang Xia, this mechanical dog, is so familiar with group theory, we must go back to the Diffie-Hellman key exchange protocol, which is based on group theory.

Back then, we imported some kind of precision machinery from Hansmiao. That manufacturer used this kind of key plus positioning chip to implement technological blockade.

Later, the factory where Jiangxia worked needed to be relocated due to geological reasons, and Hansmiao quoted a million dollars for the relocation and maintenance costs.

One of the furious factory managers slammed his fist on the table and yelled, "I'd rather give this money to my own comrades than to these bastards! I'm not moving these machines!"

The factory manager pointed to the young men surrounding him and said, "Whoever can crack the key can take this million dollars!"

Therefore, Jiang Xia later plunged headlong into the deep pit of group theory. Leaving aside elliptic curve cryptography, he even dabbled in the classification problem of finite simple groups.

Because of this experience from later generations, that mathematical master was particularly fond of the little ahoge.

See, it's always good to learn more!

Huh? You're asking if that kid got his bonus? Of course he did. He's already learned finite simple group classification, and with "Galaxy III" (a high-precision instrument), that precision instrument has already been moved to the new workshop.

"Okay, you're amazing! Also, why did the people over there say your Big Yellow dog was useless?"

"Let's not talk about simple equations; I reckon the people over there could calculate them with a glance. But when it comes to group classification and subgroup generation, Big Yellow simply doesn't have that capability right now. The sheer volume of instructions it needs to build would overwhelm Big Yellow's current capabilities..."

"So, unless computers develop to the third generation, Big Yellow is really just a dispensable thing for these math enthusiasts."

Think about those mysterious, unassuming monks at Wudaokou Vocational College. A few characters that someone casually wrote could be traced back to their source and turned into a whole academic paper.

Well, of course, those people who are trying to figure out perpetual motion machines are an exception...

That was pure madness.