The lighter version used liquid hydrogen, the heavier used hypergolic propellants.较轻的推进器采用液态氢, 较重的采用自燃推进剂.Pressure - fed engines are particularly susceptible to dissolved gas in the propellants.挤压 式 发动机对推进剂中溶解的气体特别敏感.Thi...
By 1978, in the USA, the use of CFCs in aerosol propellants was banned.美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。This law closely resembles that obtained with conventional propellants.这种规律非常类似于用普通推进剂所得出的规律.The lighter version used liqu...
I did not embarrass her with my effusions.我并没有太过热情而让她为难。The Republicans are trying to embarrass the president by thwarting his economic program...共和党人企图通过阻挠总统的经济计划使其难堪。A major attack could still embarrass him.现在要是发动大规模进攻...
Season with salt, pepper and a pinch of cayenne.调以盐、胡椒和少许辣椒粉。The plants tested were sesame, tobacco, wheat, alfalfa and cayenne pepper.供试植物为芝麻 、 烟草 、 小麦 、 紫花苜蓿和辣椒五种.Cayenne stimulates the blood circulation to the eyes an...
The resulting radiation is known as airglow.其发出的辐射称为气辉.The nighttime airglow, or nightglow, correspond to the intensity of a candle at 100 m distance.夜间辉光或夜辉相当于在100米距离的一支烛光的强度.These techniques include the ionospheric tom...