In the past year Thailand has bought 15 F -15 fighter jets, 35 tanks, three military transport planes and 59 howitzers

在过去一年里,泰国购买了15架F一15型喷气式战斗机、35辆坦克、3架军用运输机和59门榴弹炮。

属类：综合句库--

Thoroughly clean and dry the components prior to use. Highly fluorinated polymers such as Teflon?, Viton?, Kel-F ?, or Neoflon? are materials of choice. Studies have shown that PTFE(Teflon)is the most compatible at temperatures up to 150°C.

在使用之前,彻底地清洗和干燥组件。高氟化聚合体,如特氟纶、氟化橡胶、Kel-F或氟塑料46是可以选择的材料。研究已经显示,在温度高到150°C时PTFE(特氟纶)是最相容的。

属类：产品说明书-产品安全-

Below his preternatural affability there is some acid and steel(George F .Will)

在他异常和蔼可亲的表情之下,有着尖刻和钢铁般的坚毅(乔治F.威尔)

属类：综合句库--

Post-type valves on small medical cylinders are generally equipped with Type CG-4 rupture disks with 165°F fusible metal backing. Carbon dioxide and nitrous oxide cylinders may be equipped with the CG-4 or the CG-1 devices.

在小的医用钢瓶上的柱型阀门一般配备带有165°F易熔金属衬里的CG-4型破裂盘。二氧化碳和一氧化二氮钢瓶可以配备CG-4或CG-1型减压装置。

属类：产品说明书-产品安全-

The use of materials which become brittle at low temperatures should be avoided in applications where temperatures less than-20°F (-29°C)are expected.

在预期温度低于-20°F(-29°C)的应用中应该避免使用在低温下变脆的材料。

属类：产品说明书-产品安全-

Time was when [ urban gangs ] were part of a.subculture that inner-city adolescence outgrew(George F .Will)

曾经有个时候城内的青年人已成长大了,[都市群体]不再属于亚文化群的一部分乔治F.威尔)

属类：综合句库--

It is time for a new generation of leadership,to cope with new problems and new opportunities.For there is a new world to be won(John F .Kennedy.Something fresh has or has retained qualities of newness such as briskness,brightness,or purity

这是一个新一代领导人处理新问题、把握新机遇的时代。一个新世界将被建立(约翰F.肯尼迪)。fresh指一些具有或可保持新鲜品质的物质,如活泼、聪明或纯洁

属类：综合句库--

This monument was erected in memory of F .D. Roosevelt.

这座碑是为纪念F.D.·罗斯福而建立的。

属类：综合句库--

A equation with linear function of the variables only. Its general form is f (x,y,z,...)=C, where f is a linear function, C is a constant

只包含变量的线性函数的方程,该方程的一般形式为f(x,y,z,…)=C,其中f是线性函数,C为常数。

属类：综合句库--

A letter or combination of letters that can represent one phoneme,as f and gh can represent the phoneme / f /.

字素变体可代表一个音素的字母或字母组合,如f和gh可代表音素;f

属类：综合句库--