In order to study effects of convection and radiation on unstable temperature field of rocket charge with annular clearance in the interior, the charge temperature field was simulated.

为了研究对流和辐射对内含环形空气间隙的某火箭发射装药的非稳态温度场的影响，对装药温度场进行了数值模拟。

youdao

Be in charge of the declaration and clearance of product before mass production and non-productive stuff.

负责非生产性产品和生产性产品在量产前的报关和清关。

youdao

We have multiple elites who switched from customs administration to customs clearance, and they are in charge of the high-end customs clearance planning and operation of the company.

本公司拥有多名海关从政人员转业到报关行业的精英人士，从事公司高端的报关的规划与操作；

youdao

Tom Wood's charge-down of a clearance by Hougaard was the only try chance for either side in the first half.

BBC: Premiership: Saracens 24-17 Northampton

The 78, 743 fans who turned up to Twickenham on a wet and blustery day were treated to a prolonged spell of kick tennis early on before the energetic Lewis Moody - one of the few England players who can be proud of his display - managed to charge down Santiago Fernandez's clearance.

BBC: England 16-9 Argentina

The Justice Department will defend continuing use of the pre-clearance provision in oral arguments, but the NAACP has led the charge to raise public awareness of the case.

CNN: Supreme Court to weigh divisive voting rights case