nearby construction sites, the project on hold, and lay a good foundation, was washed clean by the rain as good as new. The precision of beam, loud burp, a belly of a recount of construction workers in hard work. Time flies, here last year to study voice or Lang Lang campus life everywhere was here today, the future here is a well-known high-grade residential district.
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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。
However, in practice, the excursion, transmission refraction and optics aberrance of the laser beam will affect the measuring precision.
但在实际应用中，激光光束的漂移、传输折射以及光学畸变对测量系统的测量精度具有不可忽视的影响。
The electron beam local heat treatment (EBLHT) is a newly heat treatment that provides the advantages of high precision, flexility and efficiency, energy source saving and productivity improving.
电子束局部热处理是一种新型的热处理方式，具有精确度高、灵活性好、效率高、节省能源和提高生产率的优点。
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