必需的

As ships have to go for periodic refits, it would have been almost beyond our power to maintain a reasonable margin of superiority.

由于船舶需要定期检修，因此我们的力量很难维持海军优势所必需的适当余力。

Depending on the operating system configuration, restarting the operating system and rerunning this BIOS update utility may be required.

根据操作系统的配置，重新启动操作系统和rerunning地更新BIOS ，这可能是必需的。

One of the important measures to improve the indoor air quality is to increase and guarantee the number of rimes of necessary indoor ventilation besides the strict control on the discharge of various pollutants.

要改进和提高室内空气质量，除了严格地控制各种污染源的排放外，增加和保证室内必需的通风换气次数也是一项重要措施。

In many reports, subtotals are not needed for specific fields.

在许多表格中，对于特定的区域分类求和不是必需的。

When he has obtained those things which are necessary to life, there is another alternative than to obtain the superfluities; and that is, to adventure on life now, his vacation from humbler toil having commenced.

他在得到了这些生命所必需的事物之后，就不会要过剩品而要有另一些东西；那就是说免于卑微工作的假期开始了，现在他要向生命迈进了。

The rum is helpful to relaxing the nervous system for sleep; the lime is a good source of vitamin C; the mint aids the digestive system in syncopating the stomach with the small and large intestines; and t he mineral water provides minerals necessary to ascending health.

朗姆酒有助于在睡前放松神经系统；酸橙是维生素C的好来源；薄荷以切分胃和大小肠来帮助消化系统；而矿泉水提供了提升健康所必需的矿物质。

Throughout most of history and in much of the present world institutions have not provided the credible commitment necessary for the development of low cost transacting in capital and other markets.

历史上的大部分时间和当今世界，制度并没有为资本和其他市场提供发展所必需的低交易费用。

Most importantly , we believe strongly in upholding the rule of law.

最重要的是，我们坚信维护法治精神是必需的。

Machinery and equipment valuated and used as capital contribution by a foreign investor must be the equipment required indeed by the foreign-owned enterprise.

第二十六条外国投资者以机器设备作价出资的，该机器设备应当是外资企业生产所必需的设备。

In regard to conferences, they are necessary and good.

至于会议，它们是必需的而且是有用的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。