微分器微分电路差动轮 differentiator
微分增量微分增益 differential gain
微分微分法 differential calculus
电子显微镜微量分析器 EMMA
微分[学]微分法 differential calculus
微微瓦分贝 dBp
显微-超显微分析 macro-ultramicroscopic analysis
微机显微图像分析 microimage analysing on microcomputer
自由电子的运动学由自由狄拉克方程——一个四维系统的偏微微分方程描述。
The kinematics of free electrons is described by the free Dirac equation, a four-dimensional system of partial differential equations.
脚微微分开，伸展，双手和视线往上，看向天花板。在伸展的时候感觉到延伸的感觉并深深呼吸。
Feet slightly apart, reach and look up towards the ceiling with your arms and eyes. Feel the stretch and take in a deep breath as you reach up.
有一种笑是嘴唇抿在一起或者稍微分开，嘴唇一头微微扬起。
With this smile the lips are pressed together or slightly separated, with one side of the mouth slightly raised.
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