And problem of this part computation covers formula to do namely generally speaking, simpler, good formulacontrol went.
而这部分计算题一般来说就是套公式做，比较简单，把公式掌握好就行了。
2
Depending on the style being used, you have to control both the writing direction of the identifiers used within formulae, and, separately, the layout direction of the formula itself.
根据所使用的样式，您必须既能控制公式中所用标识符的书写方向，还要能单独控制公式本身的布局方向。
3
An Israeli company, for example, supplies all the ink used for its printed batteries and maintains tight control of the formula.