It is demonstrated that there exists a part of high pressure on the body surface of the rocket near the fore-located nozzles, thus forming a overturning moment.
指出，当超音速飞行时，在前喷管附近的弹体表面上产生一个局部高压区，由此形成一个翻转力矩。
2
But the forecast effects are not quite the same for the different levels and months and the fore-casts for low pressure systems are not very satisfactory.
但对不同层次、不同月份的预报效果不够稳定，而且对低值系统预报能力较差。
3
The grate will be, at intervals, performed according to the settled time or to the automatic control of pressure head between fore and after-grate.