gibbs-phase-law gibbs相律
phase area law 相面积定律
phase summation law 相位累加法
power law phase screen model 幂次方位相屏模型
Approaching the parameters of distillation operation through phase law and diagrams, the relation of vapour-liquid equilibrium shows directly.
综合相图、相律及相平衡关系，分析精溜操作中的状态参数，使抽象的相平衡内容具体、直观。
Should countries aim to implement a comprehensive helmet law, or is it more appropriate to phase in a law, in order to allow the traffic police to manage the new responsibility?
国家的目标是否应是实施一项综合头盔法或更适宜地分阶段实行法律，使交通警察能承担这项新的责任？
The new law, if passed, would also phase out tax holiday periods, which many companies exploit.
如果新的法令能够通过，那么也可以争取把现阶段许多企业在使用的免税期变成分阶段实施的政策。
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