发射前的最后检查和测试的英文：
pre-launch tests

`pre' is a prefix in `prehistoric' and `premedical' and `prepaid'.
‘pre’在‘prehistoric（史前的）’、‘premedical（医学院预科的）’和‘prepaid（预先支付的）’中是前缀。

The uranium pre-dates the kombolgie formation sedimentation
铀原先赋存于科母波尔吉岩系的沉积层中。

Not every invocation of the doctrine of pre-emption will be justified.
不是任何情况下对预防性原则的引用都是正当的。

LSR (Launch Signal Responder)
发射信号应答器

The new ship was launched today.
新船今天下水了。

The miners launched a strike.
矿工发动了一场罢工。

Are you ready to test?
你准备好测验了吗？

Have you already tested?
你测到结果了吗？

This is rainbow test pattern.
这是彩虹测试信号图。