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4-18

4-18

4-18

4-18

1

The fractures were healed in 4 to 18 months . There was no delayed union , nonunion or mal union in all the cases.

结果患者均获随访，时间 8~20 个月，骨折无延迟愈合、畸形愈合，骨折愈合时间 4~18 个月。

2

One of these polarity flip-flops, known to have occurred 4 . 18 million years ago , left its mark in sediments in the CAC.

这种磁极颠倒在 418万年前曾发生过一次，CAC 地区的沉积物中就留下了这次颠倒发生过的痕迹。

3

Some of them might subsequently have continued to work for their employers and become "4-18 " employees1 afterwards.

他们部分可能会继续为其雇主工作并于较后时间成为「4-18 」雇员

4

5

If a triaxial vacuum feedthrough is unavailable, a metal safety shield should be built around the isolated BNC connection (Figure 4-18 ).

如果无法找到三同轴的真空接头，那么可以在绝缘的 BNC 连接处构建金属安全屏蔽（图 4-18 ）。

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7

At 4: 18 p. m. EDT , Armstrong announced to a watching and waiting world that "The Eagle has landed. "

美国东区时间下午4：18 ，阿姆斯特朗向守候、观望着他们的世界宣布，“‘鹰 ’着陆了。”

9

No recurrent leg pain was found. 20 patients recovered to work .

经 4~18 个月随访，无一例复发腿痛，20 例恢复工作。

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