With force free model, it is shown that the photospheric transverse current is independent of the sense of the transverse field and can be found completely by vector magnetographic measurement.

并证明了光球横向电流与横向磁场的指向无关，因而完全可以由向量磁象仪测定。

youdao

Protracting object's free-body diagram is a course of analysising object's force from other object.

画受力图是解决力学问题关键的一步。

youdao

Mr Krauze remembers that the North American Free-Trade Agreement (NAFTA) came into force in 1994.

克劳泽记得1994年北美自由贸易协定正式生效。

youdao

Free State settlers gathered in the town of Lawrence and organized a defense force.

VOA: special.2009.05.07

The foreign governments insist that no attempt should be made to use force to free the hostages.

ECONOMIST: The Philippines

The negotiations over their release had broken down, although the army was still insisting it would not use force to free them.

ECONOMIST: Fiji

U.S. officials, especially at the State Department, worry that the Nigerian security force's free-shooting ways make the security situation worse.

WSJ: On Terror's New Front Line, Mistrust Blunts U.S. Strategy