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1·An equality comparison between float and double first converts the float to a double and then compares the two.

一个平等比较浮点数和双首先将浮动转换为双，然后比较这两个。

2·In 1943, he received his first role as a heavy in Double Indemnity.

1943年，他接了第一个角色，在影片《双重保险》中扮演保镖。《柯林斯英汉双解大词典》

3·If the symbol were Coptic, the first symbol would be ra and then an unknown symbol followed by a double S sound.

所以如果这个符号是埃及古语，第一个符号应该是“ra”，然后是一个未知的符号，后面跟着一个双“S”音。

4·In 2015, the US Forest Service for the first time spent more than half of its $5.5 billion annual budget fighting fires—nearly double the percentage it spent on such efforts 20 years ago.

2015年，美国林务局首次使用55亿美元年度预算的一半以上用于灭火——这几乎是20年前火灾支出所占比例的两倍。

5·If I win the game, I'd like one grain of rice for the first square of the chessboard, two for the second, four for the third, and then double the amount for each of the rest of the squares.

如果我赢了，我想在棋盘的第一个方格里放一粒米，在第二个方格里放两粒米，在第三个方格里放四粒米，然后在剩下的方格里依次放两倍的米。

6·The relentless pressure on rates raises a double danger. First, it could cause a banking crisis by hammering the value of bonds owned by lenders.

国债收益率面临的巨大压力会引发双重风险：首先，它可能造成银行手中的债券大幅贬值，引发银行业危机。

7·During economic crises her first instinct has been to double the guard around the German Treasury.

在经济危机中，她的第一直觉是为德国财政上双重保险。

8·Double-click the first string in the example, shown in Figure 6.

双击例子中的第一个字符串，如图6所示。

9·So, the first topic will be setting up double integrals.

先来说说关于建立二重积分的事。

10·Society/Environment: First double amputee qualifiesfor 400-meter Olympic sprint in London. Places fourth.

社会及环境：双截肢者首次获得参加伦敦奥运会短跑比赛资格，并获第四名。