三倍

One simple statistic tells that tale: it costs nearly three times as much to rent a self-drive van for a one-way journey from Los Angeles to Houston as the other way around.

一项简单的数据即已说明这种情况：由洛杉矶到休斯顿租车单程自驾费用相当于由休斯顿到洛杉矶的三倍。

But that ratio has shrunk from roughly 3 to 1 two months ago.

两个月前，前者的数量曾大约是后者的三倍。

Her sitting room is three times as large as mine.

她的起居室有我的三倍大。

It is three times the size of my room.

这是我的房间大小的三倍。

It'sone of the most common cancers, and affects two to three times as many men as women.

膀胱癌是常见的一种癌症，男性发病率是女性的两到三倍。

This giant space rocket is three times the weight of that one.

这种大型宇宙火箭的重量是那种的三倍。

To research the relation of oil's laser induced fluorescence intensity and oil temperature, the third(355nm) harmonics pulsed Nd: YAG laser was used as the exciting source, and a multi-track spectrology as the detector, and the intensities of laser induced fluorescence of oil under different temperatures were measured.

研究一种应用较广的油的激光诱导荧光强度与其本身温度之间的关系。用输出波长为355nm的三倍频Nd：YAG激光器做激发光源，用多通道光谱分析仪进行接收探测。

Here's how to increase your PowerBook AirPort wireless network range and speed by two to three times.

这里的如何增加您的PowerBook机场的无线网络的范围和速度两到三倍。

The speed of sound in water is about four times as great as in air.

声音在水中的速度比在空气中大三倍左右。

As a result, the sea has shrunk to half its original size, stranding ships on dry land.

海水含盐量成了原来的三倍。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。