primary mission

In 2010 it ran out of the cryogenic coolant that enabled its primary mission of mapping the skies.

2010年其低温冷却剂消耗殆尽，而低温冷却剂是其绘制星云地图的必备。

Although the NIF is designed to reach breakeven, its primary mission relates to national security.

尽管NIF是设计用来达到能量的收支平衡的，但是它的最初的任务是和国家安全相关的。

Uber and its ride-sharing competitors, including Lyft and Sidecar, are the boldest examples of this breed, which many in the tech industry see as a new kind of start-up-one whose primary mission is to efficiently allocate human beings and their possessions, rather than information.

Uber以及它车辆共乘类的竞争对手，包括Lyft和Sidecar，是这类全新工作方式的最佳代表。科技界的很多人将它们视作一种新型的初创公司——他们的首要使命是高效地分配人以及他们的财产，而非信息。

The primary mission of the bombers was set to naval attack as a precaution.

主要任务是派出轰炸机防范来自水面的打击.

The Yaroslav Mudry is a multipurpose frigate, although its primary mission is to provide anti-submarine, anti-ship, and anti-aircraft defense to naval task forces and convoys.

雅若斯拉夫·慕德瑞号是多功能快速护卫舰，他的主要任务是对海军特遣队和舰队提供反潜，反舰，防空的保护。

The task of the initial sizing is to find the primary parameters of aircraft, including the takeoff wing loading, thrust-to-weight ratio, takeoff weight, wing area, aspect ratio of wing, wing sweep, thickness and taper ratio to match the mission requirements.

其任务是找到能满足飞机性能要求的飞机主要参数。这些参数包括：起飞翼载、推重比、起飞重量、机翼面积、机翼翼载、机翼后掠角、机翼相对厚度和机翼梯形比等。