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| 1. | Improvement of the quality of machined products means in particular the attainment of the necessary accuracy |
| 提高加工产品的质量是指如何使产品的形状和尺寸达到必要精确度,以及从产品使用角度上体现的表面层性能优化。 |
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| 2. | purpose of machining by cutting and by erosion to give the workpiece the desired shape and dimensions of necessary |
| 切削与腐蚀加工的目的是将工件加工成所需的形状并达到必要精确度的尺寸，同时还要确保工件表面层的质量要求。这一目的还应以最经济的方法去达到。 |
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| 3. | studying its optimization reasonable method, we can ensure triangle networks for bridge and tunnel have necessary |
| 通过对三角测量的精度估算及优化方法的探讨,保证桥隧三角网具有必要的精度,以确保其设计合理。 |
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| 4. | required, and select the appropriate inspection, measuring and test equipment that is capable of the necessary |
| 制造业者应决定所需进行之测量与所需之准确度,据以选用适当的检验、测量及试验设备,此等设备具有必需之准确度与精密度; |
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| 5. | His duties include calling in airstrikes and air support when necessary, guaranteeing the accuracy of |
| 他的职责有引导空袭和必要时的空中支援, 保证对地面轰炸准确度并防范友军的火力. |
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