被选的士兵要求有敏锐的观察力及快速的反应力。
The selected soldier needed to have keen eyesight, plus the ability to react quickly.
应力试验后的样品，肖特基势垒接触界面模糊，有明显的互扩散和反应发生．。
The AES suggests that the interaction between gate metallization and GaAs active layer has taken place and the Schottky contact interface becomes ambiguous after stressing.
结构在地震作用下的位移反应相对于地面运动有一定的滞后，但应力对地震作用反应灵敏。
The displacement response of structure relative to the ground motion has a certain degree of lag, but the stress response is sensitive.
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