这种装置可以自动测试柴油机在额定状态运行下的油耗率，并配合相应的一次元件能自动测试柴油机和增压器的转速。
This instrument can measure automatically the oil consumption at the normal rating and the r. p. m. of the supercharger and the diesel, fitting with the corresponding primary meter.
在 UML 2中，框架元件用于作为许多其他的图元件的一个基础，但是大多数人第一次接触框架元件的情况，是作为图的图形化边界。
The frame element is used as a basis for many other diagram elements in UML 2, but the first place most people will encounter a frame element is as the graphical boundary of a diagram.
通过灰度掩模平面不同位置处提供可变的透过率，经一次光刻后得到所需的衍射光学元件。
A variable transmittance is provided to different position on grayscale mask plane and the required diffractive optical elements can be obtained after one-time exposure.
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