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About 70 years ago, towards the end of 1938 and at the start of 1939 to be exact, the chemist Walter Reppe, working in a BASF laboratory in Ludwigshafen, used acetylene and pyrrolidone to produce a new monomer called vinylpyrrolidone, which in turn can be transformed into the polymer polyvinylpyrrolidone.

大约70年前，对1938年底和1939年开始的，确切地说，是化学家沃尔特雷佩，在路德维希港的巴斯夫在实验室使用的乙炔和吡咯烷酮产生新的单体，工作称为乙烯基，这反过来又可以转化为聚合物聚乙烯吡咯烷酮。

ATbstract: he small frequency modulated transmitter, the power is small, may launch the wireless signal, accepts the signal with the radio, satisfies certain transmission range, Circuit easy system, low cost, power output does not exceed 5-8 mW, firing range to be in the housing area of about 100 meters, with an ordinary FM radio receivers, demonstrating his superb sensitivity and clarity, the most circuit design challenges of the part is only used 3 V power supply, and half-wave antenna will be such a launch capability.simultaneously can input the sound signal, may install modulation surveillance table to serve as the monitoring device, although the power is not very big, but should the interference protection normal radiobroadcasting signal.

小型调频发射机，功率小，可以发射无线信号，用收音机接受信号，满足一定的发射距离。电路简单易制，造价低廉，输出功率不超过5－8mW，发射范围在房屋区可至100米左右，用一部普通的FM收音机接收，显示其灵敏度和清晰度俱佳，电路设计中最富挑战性的部份就是只需用3V电源和半波天线便有如此的发射能力。同时能够输入声音信号，可安装调制监视表头用作监视器，虽然功率不是很大，但是应该防止干扰正常的无线广播信号。

It is likely enough that in the rough outhouses old some tillers of the heavy lands adjacent to Paris, there were sheltered from the weather that very day, rude carts, be spattered with rustic mire, snuffed about by pigs, and roosted in by poultry, which the Farmer, Death, had already set apart to be his tumbrils of the Revolution.

而在同一天，巴黎近郊板结的土地上某些农户的简陋的小披屋里也很可能有一些大车在那儿躲避风雨。那些车很粗糙，溅满了郊野的泥浆，猪群在它旁边嗅着，家禽在它上面栖息。这东西也极有可能已被&死亡&这个农民看中，要在革命时给它派上死囚囚车的用场。

It is likely enough that in the rough outhouses old some tillers of the heavy lands adjacent to Paris, there were sheltered from the weather that very day, rude carts, be spattered with rustic mire, snuffed about by pigs, roosted in by poultry, which the Farmer, Death, had already set apart to be his tumbrils of the Revolution.

而在同一天，巴黎近郊板结的土地上某些农户的简陋的小披屋里也很可能 www.ssBBww.cOm 有一些8 tt t8.com 大车在那儿躲避风雨。那些车很粗糙，溅满了郊野的泥浆，猪群在它旁边嗅着，家禽在它上面栖息。这东西也极有可能 www.ssBBww.cOm 已被&死亡&这个 www.8 ttt8。

It is likely enough that in the rough outhouses old some tillers of the heavy lands adjacent to Paris, there were sheltered from the weather that very day, rude carts, be spattered with rustic mire, snuffed about by pigs, and roosted in by poultry, which the Farmer, Death, had already set apart to be his tumbrils of the Revolution.

那些车很粗糙，溅满了郊野的泥浆，猪群在它旁边嗅着，家禽在它上面栖息。这东西也极有可能已被&死亡&这个农民看中，要在革命时给它派上死囚囚车的用场。

Hanshiwaizhuan , during the learning history, seems to be an embarrassing literature, which, though namely to hand down Shi Jing, didnt aim at interpret it. It scatteredly tracked record of some stories from radical works and history works , and in the form of random talk elaborated some priciples about managing state affairs and conducting oneself, and therefore appears not to be a forcible works.

在学术史上，《韩诗外传》似乎是一部让人尴尬的文献，它名为传《诗》，但其主旨却不在解《诗》；它零零散散地记录了一些来自子史书中的故事，漫谈式地阐述了一些治国为人的道理，似乎算不上严格的著述。

I just knew," she said, pretending to be self-confident and not care about his position,"I saw the files of accusation, and they would be good evidence to accuse you and your friend have stealed and used the fund of NASA.

我只知道，&她说道，装成极其自信而且对他的处境漠不关心的样子，&我看过那些指控文件，那些说你和另一个人盗用国家航空航天局资金的很有说服力的证据。

This agency points out, actually product of the high end in location of summerly novice machine also is put in the problem, it is brand height can't be propped up temporarily, 2 it is to be able to bring about product line too short.

该经销商指出，其实夏新手机定位中高端产品也存在问题，一是品牌高度暂时不足以支撑，二是会导致产品线过短。

According to statistic, the longest latency time with sustainable user is 90 seconds about, if your homepage cannot be in this paragraph to be transmitted inside time and show,end, probable he turns around can ruthlessly leave, when use picture, use general browser to all compress graphical format supportably as far as possible.

据统计，用户可以忍受的最长等待时间大约是90秒，假如您的主页无法在这段时间内传输并显示完毕，很可能他会毫不留情地掉头离去，使用图片时，尽量采用一般浏览器均可支持的压缩图形格式。

Swaggering: The fourth purpose to which military power can be put is the most difficult to be precise about.

军事力量可被用于的第四种目的最难以精确描述。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。