性能图的英文：
performance diagram

performance是什么意思：
n. 演出，表演；履行；执行；工作；成绩；成果

She gave a respectable performance.
她的演出还不错。

The performances have been absolutely phenomenal.
表演绝对精彩。

It's an insufferably cute performance.
这是一场不能忍受的矫揉造作的表演。

Farewell performance; swan song:
告别演出

The novel is considered a brilliant performance.
这部小说被认为是杰出的佳作。

diagram是什么意思：
n. 图解，图表，简图
v. 图示

The construction of a logarithmic diagram is straightforward
绘制对数图是很容易的。

This is represented in the schematic diagram below.
这正如下面的这幅简略图所示。

It can be graphed to produce a chromaticity diagram.
可将此绘制成色度图。

He interspersed the text with explanatory diagrams.
他给本文配置了解说用的图表。

The engineer diagramed the parts of the automobile engine.
那工程师画了汽车引擎的零件图。