A laser beam like the one pictured up top combines short and long pulses of light to identify individual molecules with a high degree of precision from a safe distance.
一道激光射线由或短或长的光脉冲组合而成，从而能在一个安全的距离高精度地辨别单个的分子。
Converse to the question of precision, short pieces of data may be compact but difficult to understand without some external guide or reference.
与精确性问题相反，简短的数据看上去紧凑，但是如果没有外部的指导或参考，将难以理解。
The Sigma 30 artillery navigation and pointing system is designed for high-precision firing at short notice.
Sigma 30火炮导航指向系统专为高精度武器在短时间内发射而设计。
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