ivb

This same feature is incorporated in the S - IV and the S - IVB stages.

S -IV 和S-IVB级包括了一些同样的特点.

For this reason, IVA can B register tones, and IVB can merge with register tones.

因此, 阴入字可以并入阳调, 阳入字可以并入阴调.

The S-IVB stage has its single engine gimbaled in pitch and yaw.

IVB级有一个单独摆动发动机来作俯仰和偏航。

I'm going to give you an IVB injection, so we can examine your gall bladder.

我马上给你注射静脉胆囊造影剂，检查你的胆囊。

The brightness of J002E3 seems to match the expected brightness of an S-IVB stage.

J 002e3的亮度好像与一个S - IVB阶段的被期望的亮度相配。