Further examination of the docking test rendezvous and docking measurement device and the docking mechanism of function and performance, access to relevant data, to achieve the expected goal.

这次对接进一步考核检验了交会对接测量设备和对接机构的功能与性能，获取了相关数据，达到了预期目的。

youdao

The Progress 47 successfully completed the docking test on its second try, after a first attempt on July 23 was prematurely aborted due to a technical glitch.

MSN: Unmanned Russian cargo ship says goodbye to space station

The scheduled trip comes just a little over four months after the project successfully completed a docking test by the unmanned private spacecraft with the International Space Station.

ENGADGET: SpaceX Dragon capsule launch gets go signal from NASA Alt

On June 25th, it collided with an unmanned Progress service vehicle during a test of a new docking technique.

ECONOMIST: Mir today, gone tomorrow?