I run a simulator, marking the connecting pin.

我跑了SIMULATOR，管脚连接标示了。

youdao

CHXY products can effectively complete complex parts, the model of three-dimensional measurement, mapping, can replace square box, plan-pin, high ruler for marking test.

CHXY系列产品既能有效完成复杂零部件、模型的三维空间测量、测绘，又可替代方箱、划针、高度尺进行划线检测。

youdao

It is not easy to pin down exact dates in a hazy age, but Western historians are probably right in marking off the period 1500 to the present as the age of European global predominance.

CNN: Building On A Golden Age