radiation field with half-power angular width of less than 6 degrees is obtained.

  • 通过把声源放置在二 维 声子晶体共振腔内,我们获得具有半强角宽低于6度的辐射场.
  • 来源:互联网摘选更新时间:2026-07-13 11:13:30

  • 重点词汇
  • ofprep. 关于;属于…的;由…制成;
  • Isn.英语字母表的第 9 个字母( I的名词复数 );[地名] [俄罗斯] 伊斯;
  • withprep. 具有;和;用;有;以;跟;同;带有;使用;和…在一起;借;与…对立;关于;包括;因为;由于;与…方向一致;由…持有;为…工作;虽然;作为…的成员,为…所雇用;具有,有,带有;在…身上,在…身边;由于,因;在…那里,在…看来
  • less than小于,决不;以内;没有;不足;
  • half-power半功率
  • ISabbr.撞击开关(Impact Switch);现用的(In Service);不完整序列(中继)(Incomplete Sequence)
  • degreesn.度( degree的名词复数 );程度;学位;(组织损伤的)深度;
  • radiationn.辐射;放射物;辐射状;分散;
  • obtainedv.获得( obtain的过去式和过去分词 );买到;(规则、制度、习俗等)存在;流行;
  • 相关例句
1、

to do a job you hate is to swim against the tide;

做你讨厌的工作,就像逆潮游泳;

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2、

i want to be a salmon swim against the tide to reach you in about the time i see you i will be smiling on my way to heaven

我愿成为一尾小小的三文鱼逆流而上去接近你与君相逢乐陶陶天堂里面我微笑

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3、

it reminded me once again how hard -- but important -- it can be to swim against the tide.

这再次提醒我,不随大流是多么困难、又是多么重要。

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4、

he advised me not to swim against the tide.

他劝我不要对着潮流上。

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5、

sometimes, it is better to swim against the tide. i am firmly opposed to smoking and drinking, although all my friends do.

有时反潮流而行也好。虽然我周围的朋友抽烟、酗酒,但我强烈的反对。

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6、

results: the total effective rate is 95.8 % and patients recovered quikly after surgery without any complications.

结果电视纤维喉镜下摘除声带息肉、小结的总有效率为95.8%,手术安全有效,无严重并发症.

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7、

ratio of induced abortion and live birth

人流活产比

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8、

they bought some spare parts for their tractors and asked us to mark them up.

他们买了一些拖拉机备用件要我们记帐.

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9、

triumph does , however , offer more comfortable seats, and a range of alternative parts.

但无论如何,Triumph的座椅都还算比较舒适, 而且公司也提供了多种多样备用件.

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10、

unfotunately the supply of spare parts has fallen short of what is requirde.

不幸的是提拱的备用件满足不了需要.

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11、

it is easier for a camel to go through the eye of a needle than.

比骆驼穿针眼还难.

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12、

this minibook was small enough to pass through the eye of a needle.

这本书竟小到可穿过针眼,但也只能在显微镜下才能阅读.

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13、

he has taken away the draft for this product's external design.

这种产品外包装设计的底案已经被他带走了.

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14、

breakfast number four-overnight oats.

早餐四号——隔夜燕麦。

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15、

equal parts oats and milk is the base of overnight oats.

等量的燕麦和牛奶是隔夜燕麦的基础。

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16、

card raising machine; wire raising machine

钢丝起绒机

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17、

culture technique on chinese pine transplanting containerized seedling stock

油松大田移植容器苗培育技术

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18、

study on lightning protection of transmission lines and substations in heavy lightning area

多雷区输电线路及变电站防雷保护

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19、

choose of the configuration of transmission line's external insulation in heavy lightning area

浅析多雷区送电线路外绝缘配置的选择

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20、

this article focuses on several techniques for achieving more realistic looking results from pathfinding.

这篇文章将会重讨论几种寻路技术及人性化的移动.

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