| 1. | The window inevitably imparts directional properties .
（计数器的）窗不可避免地具有方向性。
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| 2. | An array of wave probes can be used as a directional antenna .
排成阵列的测波仪，可作为波浪传播方向的感触器。
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| 3. | Counters can, of course, be made highly directional by the use of external collimation .
当然可以利用外部准直法来提高计数器的方向性。
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| 4. | This principle is the basis for the operation of directional couplers, the implementation of which usually takes the form shown in fig. 3. 23 .
这个原理就是走向耦合器工作的依据，其装置一般具有图323所示的形式。
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| 5. | Stability analysis of drill - string in directional drilling
定向井钻柱稳定性分析
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| 6. | Demolition of two brick chimneys by directional blasting
两座砖烟囱定向爆破拆除
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| 7. | Directional control combination valve with 2 - speed for ships
船用双速换向组合阀
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| 8. | Bi - directional language features in visual studio
> visual studio中的双向语言功能
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| 9. | Major progress was made in all - directional diplomacy
全方位外交取得重大进展。
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| 10. | Directional control blasting for building backout
废弃修理车间的定向控制爆破拆除
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