Your family can apply for an F-2 (dependant) visa.

你的家属可以申请f - 2(家属)签证。

youdao

To apply for repetitious valid F visa needs to provide a letter or telegram from the senior authorized organizations.

申请二次入境有效F（包括团体）签证须提供一类或者二类授权单位邀请函电；

youdao

Our simulator will, of course, have to apply F() to each of the basis states in turn, but a real QC would apply F() to the combined state as a single operation.

当然我们的模拟器不得不轮流在每种基态应用 F() ，但真正的 QC 是把 F() 作为一步运算应用到组合态。

youdao

The free-body diagram, it says you can pick any one body that you like and apply F = ma to it, provided you identify all the forces acting on that body.

所谓隔离法,就是说你可以任意 选取一个物体,分析出它所受的所有力后,单独对其运用 F = ma 进行计算

耶鲁公开课 - 基础物理课程节选

In enacting the exception, Congress explained that Subpart F is intended to apply to income of a foreign subsidiary that is either passive or easily moveable, and the lack of an exception caused the Congress to be concerned that the Subpart F provisions applied to income that is neither passive nor easily moveable.

FORBES: Key Exception for Foreign Banking and Finance Income Extended by Fiscal Cliff Legislation