培训还涉及到欧文斯·科宁复合材料公司未来需求预测和用户化解决方案制定办法。
Training also concerns the ways OCC can anticipate future needs and develop customized solutions.
简述了机车做功记录仪的功能与原理，介绍了一种新的检修计划的制定办法，并使之科学化。
The function and principle of locomotive work recorders were presented. A method to draw up scientific maintenance plans is presented.
所以，在1967年，SI采用了一个更为精确的制定办法，该办法基于一个铯原子在两个能级之间跃迁时的辐射频率。
Thus, in 1967, SI adopted a more precise definition based on the frequency of the radiation a caesium atom emits when it flips between two energy states.
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