An emulsion under test must always be exposed to light of the correct wavelength and wavelength range . 试验的乳胶必须始终对恰当的波长和波长范围进行曝光。
Calibration tests are standard procedures applied to sensors not eliminated by screening tests . 校准试验是对筛选试验中未被淘汰的传感器进行试验的标准测试程序。
A charpy test is usually much less expensive to perform than a fracture toughness characterization experiment . 夏比（冲击）试验通常要比断裂韧性试验的费用低得多。
The test mice lived in individual experimental enclosures that i designed to measure these activities . 试验的白足鼠生活在我设计来测量这些活动的单独的试验围场中。
Of special interest are the results of some trials to predict small earthquakes in very short time range . 特别有意义的是在非常短促的时间范围内预报小震的某些试验的结果。
It is hard to write specific rules for setting up a test and taking data, since there are many types of tests . 要想对试验准备和数据记录写几条专门规则是困难的，因为试验的种类太多了。
One advanced version is the excalibur, already being tested, which boosts the x ray produced by a nuclear explosion . “魔剑”是一种已经进行了试验的先进武器，它增强由核爆炸产生的X射线。
Koch perceived that it would be far better if one could solidify a well-tried liquid medium with some clear substance . 郭霍设想，如果能用某种透明物质将经过多次试验的培养液固化可能更好。
Paradoxically, the significance of testing may have been better appreciated by the first successful flyers than by some of their successors . 矛盾的是首次飞行成功的人比之他们的后继人更加懂得试验的重要性。
The purpose of the early human testing was not to study positive results form peptide 7, but to look for any harmful side effects . 早期人体试验的目的，不是研究缩氨酸7号的积极效果，而是探索有无有害的副作用。
