固体燃料火箭发动机的构造更简单、分量更轻，而且相对更安全。 在固体燃料火箭发动机里，燃料和氧化剂被预先混合成稳定的液态推进剂，然后被塞满火箭发动机的燃料箱里。

Solid-fuel rockets, in which the fuel and oxidiser are pre-mixed into a stable, solid propellant and then packed inside the case of the rocket, are simpler, lighter and relatively safer.

youdao

WebSphere Real Time 目前不允许混合使用动态 JIT 编译和预先编译的代码。

WebSphere Real Time does not currently permit the mixing of dynamic JIT compiling and precompiled code.

youdao

为节省铁厂的时间，在装货点预先混合矿石的做法是可行的。

It is possible to premix the ore at the shipping point, thus saving time at the ironworks.

youdao