提供统计数字和图选择显示你的进展。
It provides statistics and graphing options to show your progress.
由此说明可用该函数图选择高铬白口铸铁的合金化元素。
It was concluded that the alloying elements for high chromium white cast iron can be selected according to the function of bond parameters.
为以下每一幅图选择最佳的句子,并把句子写在对应图画底下。
Choose the best sentence for each picture. Write the sentence under the picture.
And I can find the orientation of the arrow You have the option of either working with the two components of A or with the arrow.
我也可以求得矢量的方向,你可以选择使用,A 的两个分量或者矢量图来计算
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