时刻测知紫外线，预防皮肤癌！
了解产品的质量，焊接和无损检测知识。
Base Knowledge For Material Quality, Visual Welding Quality, NDT, Etc.
由于暗物质不可见，天文学家们采取了间接途径来测知它的存在。
Because dark matter cannot be seen astronomers detected its presence through indirect evidence.
只要精确测知一段子午线弧长，便会很容易地计算出地球的周长。
As long as the precise sensing a meridian arc length, we can easily calculate the circumference of the earth.
德国人很快造出了一种能测知雷达信号并向潜艇发出警报的仪器。
The German quickly developed an instrument which picked up the radar signal and gave the U-boat warning.
测知它的钾离子浓度的下降，细胞通过形成被称作炎症小体的多蛋白复合体而发生反应。
Sensing a drop in its potassium concentration, the cell reacts by forming a multi-protein complex known as an inflammasome.
作为类象思维的产物，相术对较近时间的前景可以部分测知，而对几百年远的情景则难以预见。
As a product of figurative thinking, physiognomy can partly predict matters not far ahead but fails to foretell things hundreds of years away.
因腹水增加引起的腹胀，可能只通过皮带尺寸的变化被测知，而且可能随着周期性摄入酒精而间断变化。
Abdominal distention, due to the development of ascites, may be detected only by a change in belt size, and it may be intermittent, related to cyclic alcohol intake.
在麻省理工学院媒介实验室，也已经制造出可以测知你开车时有多少睡意的车，这对长途卡车司机特别重要。
At the MIT Media Lab, a prototype is already being built which will determine how sleepy you are as you drive, which is especially important for long-distance trunk drivers.
在麻省理工学院媒介实验室，业已制造出能测知你行车时有多少睡意的样车，这对长途卡车司机意义尤其重要。
At the MIT Media Lab, a prototype is already being built which will determine how sleepy you are as you drive, which is especially important for long-distance truck drivers.
在麻省理工学院的媒介实验室，已制造出能测知司机开车时有多少睡意的样车，这对长途卡车司机来说意义十分重大。
At the MIT Media Lab, a prototype is already being built which will determine how sleepy you are as you drive, which is especially important for long-distance truck drivers.
在麻省理工学院的媒介实验室，已制造出能测知司机开车时有多少睡意的样车，这对长途卡车司机来说意义十分重大。
At the MIT Media Lab, a prototype is already being built which will determine how sleepy you are as you drive, which is especially important for long-distance truck drivers.
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