结果表明埋藏在沙土中的导体球面不仅仅存在一次和二次散射波，而且还存在多次波和爬行波。

Results the calculation result shows that spherical surface of the conductor buried in sandy soil presents not only primary and secondary scattered waves but also multiple wave and creeping.

youdao

我不止一次地犹疑：是否些嘶喊声仅仅存在与我的脑海里？

At times I wondered: were the cries only in my mind?

youdao