题目内容

臀中肌、臀小肌注射定位法:____ ,____ 。(2.0)

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注射时做到“两快一慢加均匀”即____ ,____ ,____ 缓慢且均匀。(3.0)

静脉注射角度为℃。

______is the study and use of electrical devices that operate by controlling the flow of____or other _____ charged particle in devices such as vacuum tube and semiconductors.

A. electrons electronics electronically
B. electronic electronics electronically
C. electronics electrons electronically
D. electronically electrons electronic

One of the best known computer ____ which are very widely used in research, design and training is the flight ____upon which pilots receive much of their training.

A. simulation simulator
B. simulator simulate
C. simulating simulator
D. simulate simulation

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