The reference opinion for the selection principle of the proportional valve has been put forward.
对比例阀的选用原则提出了参考意见。
More important, it sits better with biology's most fundamental principle, that of natural selection.
更重要的是，它符合了生物学自然选择的最基本规则。
It's Darwin's principle of natural selection in action.
这是达尔文的自然选择原则的行动。
The principle of automatic range selection and the function of the software are discussed.
文中讨论了测量范围自动选择的原理和应用软件的功能等。
Objective To determine the principle for selection of surgical treatments for hepatolithiasis.
目的探讨肝内胆管结石术式选择原则。
Screw pump selection should follow the economy, reasonable and reliable principle.
螺杆泵选用应遵循经济、合理、可靠的原则。
In this paper, the principle of model selection for urban rail cars are put forward.
文章提出了城市轨道车辆选型的原则，介绍了天津津滨轻轨车辆选型的特点。
Objective To investigate the principle of operation selection.
目的探讨大肠癌并梗阻的术式选择原则。
Scientific selection of workers is the second principle.
工人科学选择是第二个原则。
For the writer, the plot is the guiding principle of selection and arrangement.
对于作家来说，情节是选择与安排的主导原则。
The principle of feed selection for hydro-cracking and the condition to realize are discussed.
探讨了临氢降凝原料的选择机理及可能的实施条件。
The principle for the selection of parameters and detailed design procedure are given.
通过对滤波器传递函数特性分析，给出了具体的参数选取原则与设计方法。
The selection must follow the scientific way and stress experience in principle.
进队选材要遵循科学选材和经验选材相结合的原则。
The selection must follow the scientific way and stress experience in principle.
进队选材要遵循科学选材和经验选材相结合的原则。
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