The double type can also be referred to as double precision, although it isn't clear why you would want to type the extra word every time you need a double-precision number.

double类型也可以表示为DOUBLE PRECISION，虽然为什么在需要双精度数字时要输入额外的单词，原因不明。

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His inventions and innovations included batteries, cement mixer, the sound recording telephone, double- and multi-type cable system, railways used brakes.

他的发明和革新包括蓄电池、水泥搅拌机、录音电话、双工式和多工式电报系统、铁路用制动器等。

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DOUBLE is the generic type used in various models.

DOUBLE是在各种模型中使用的通用类型。

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So that's two of our types of bonds in benzene, and we have one type left, that's going to actually be the double bond or the pi bond that So we can have one bond here between this carbon's p orbital and this carbon's p orbital.

这就是苯环里的两种键，我们还剩一种，那就是这些p轨道之间，形成的双键或者π键,我们可以在这个碳的p轨道,和这个碳的p轨道之间有个键。

麻省理工公开课 - 化学原理课程节选

The NAND type could contain more than double the amount of information and be slower if used like a floppy disk or hard drive.

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