EF50的音标

ef

abbr.efficiency 效率;equivalent focal length 等效焦距;expectant father 准爸爸;experimental flight 试飞;

英文例句/中文翻译：

1、

A Study ef the Ground Treatment for Self-weight Collapsible Loess With Large Thickness and Its Application

大厚度湿陷性黄土地基处理的研究与应用

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2、

First, the'ps-ef'is run to snarf the process list.

首先，运行'ps-ef'以抽取进程列表。

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3、

Results: ① Slippery pulse model of human subjects: the stroke volume ( SV), cardiac output ( CO), cardiac index ( CI), ejection fraction ( EF) and the peak velocity of the blood flow increased;

结果：与脉滑变前相比：①人酒精性滑脉模型受试者的搏出量、心输出量、心指数、射血分数及左心室流出道流速增大；

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