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1·The sky wave is the major transmitting way of short-wave communication.

因此短波通信的主要传播路径是天波。

2·The difference between three availability of the sky wave radar are discussed in this paper.

讨论了天波雷达三个与时间有关的“可用度”的区别。

3·The transmission of the sky wave is realized by the reflection from ionosphere, especially after reflecting many times, to achieve global communication.

天波的传播是利用电离层的反射来实现的，尤其是多次反射后可以实现全球通信。

4·The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.

高频天波超视距雷达所独有距离多跳现象，使得位于雷达威力覆盖范围以远的杂波通过地面与电离层的多次反射进入到雷达的接收阵列。

5·I step away softly, just as I creep here quietly I wave gently, sighing goodbye to the western sky.

轻轻的我走了，正如我轻轻的来；我轻轻的招手，作别西天的云彩。

6·I quietly wave, Saying goodbye to the bright clouds of the western sky.

我安静地波动，说再见到天空西部的明亮云。

7·They wave in the air, and landed not in a hurry, it seems as if reluctant to leave the sky, and some quietly jumped into the collar of pedestrians, the quietly disappeared.

他们在空中飘舞着，并不着急落地，好像舍不得离开天空似的，有的悄悄跳入行人的衣领里，无声无息地消失了。

8·Ionospheric frequency modulation causes spreading of the surface clutter in Doppler domain which greatly limits the detection performance of HF sky-wave radars.

电离层频率调制导致地表面杂波的多谱勒展宽，极大地限制了高频天波雷达的目标探测性能。

9·Goose goose goose , singing crooked towards the sky , white hair floating on green water, red foot paddlling clear wave. Good poet! Really Good!

许仙念诗“鹅鹅鹅，曲项向天歌，白毛浮绿水，红掌拨清波！”好诗啊好诗！

10·In the first part of this paper some typical methods for measuring sky long wave radiation and sky effective temperature are briefly reviewed.

本文的第一部分对天空长波辐射和天空有效温度的测定方法作了简要评述。

天波

1·The difference between three availability of the sky wave radar are discussed in this paper.

讨论了天波雷达三个与时间有关的“可用度”的区别。