Until now, there are two methods to implement optical OFDM system.

  • 目前为止,主要有两种方式实现光的正交频分复用技术,分别是相干OFDM和全光OFDM。
  • 来源:互联网摘选更新时间:2026-07-13 21:33:24

  • 重点词汇
  • there are有;可数名词的复数形式;许多重要事情要谈
  • implementvt.实施;执行;贯彻;使生效;实现;落实(政策);把…填满;
  • nowadv.现在,目前,此刻;现在就,马上,就要;(用以引出后面的话、改变口气、加强语气或表示安慰、惊奇、恐吓、命令、请求、责备等)喏,好,嗳;刚才,方才;从现在开始;到现在为止,迄今;嗯(在决定下面说什么时的停顿用语);像这样,这一来
  • toprep. 向,朝着;到;关于;属于;
  • systemn. 体系,系统;制度;身体;方法;
  • untilprep.到…时;直到…为止;
  • methodsn.method的复数:方法;方法( method的名词复数 );方法论;教学法;分类法;
  • opticaladj.视觉的,视力的;眼睛的;光学的;
  • 相关例句
1、

Until now, he is also widely loved by the people.

直至今日,依旧受到人们的喜爱。

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2、

Until now the super-tight trousers have been confined to the runway or worn only by rock stars but the company plans to launch them on the high street.

到目前为止只有T台模特或摇滚明星才穿这种超紧男士打底裤,不过这家公司计划在商业街开始出售这种裤子。

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3、

We have been extensively using the set command until now.

到现在为止,我们大量地使用了set命令。

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4、

Until now, she has got over$ 150,000!

到现在为止,她已经拿到了15万美元!

中考真题- 2017 陕西 短文填空

6、

If the service ball touches the net, but still goes into the correct service court, it is called a "let". this means that the service is taken again.

发球时,球如果擦网,但还是落到正确的发球区内,这样的球就叫“let”,它的意思是该发球不算,重新发球。

provided by jukuu

7、

The length of service of the court staff at the local court of Chongqing city was quite short. Each year the number of people taking office and resigning was large, so personnal mobility was frequent.

法院职员在重庆地方法院的工作年限大多数较短,每年到职离职人数较多,人员流动性大。

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8、

In order to remedy their rights, the copyright owner often litigate the regular network service providers to court to compensate for losses from copyright violations to their own.

著作权人为了救济自己的权利,经常将网络服务提供者诉至法庭以弥补著作权侵权行为给自己带来的损失。

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9、

Citizens are selected for jury service by the court in their city or town.

公民们将接受本市或本城法院的挑选,成为陪审团成员。

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10、

Conveniently located in the lobby, the24-hour service Sunflower Court is divided into two parts: lounge and coffee shop.

位于酒店大堂,分为咖啡厅和大堂酒吧两个区域。咖啡厅24小时服务。

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11、

If the ball does not cross the net, or it does not first hit the ground in the correct service court, it is a faulty service.

如果发球不过网或球的第一落点不在应该击中的接发球区,就算是发球失误。

provided by jukuu

12、

In single, the server begins in the right serve court and serves to his or her opponent in the opposite right service court.

单打比赛中,发球方从右边发球区开球,而且发出的球要落在对方右发球区里。直到交换发球权之前可连续发球,交换发球权后对方首先在右发球区发球。

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13、

The server shall then serve again from the alternate service court.

发球方从另一个发球区再次发球。

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14、

The Reds boss says he's been unsurprised by the Magpies'flying start to2011/ 12, given his admiration for the manager they appointed last December.

曼联老板说自己对纽卡本赛季取得的成就并不奇怪,他很欣赏这位去年12月走马上任的经理。

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15、

Emmett and I both stared at him in shock, but Alice seemed unsurprised.

艾美特和我都震惊地看着他,但爱丽丝似乎丝毫不感到意外。

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16、

Parenting expert Dr Fin Williams, who founded the group Parent Perspectives based in Devon, was unsurprised by the trend.

在德文郡(Devon)创办了“父母观点”(Parent Perspectives)组织的育儿专家芬•威廉姆斯(Fin Williams)博士对此并不感到惊讶。

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17、

His expression was unhappy, but unsurprised.

他的表情很不高兴,但并不讶异。

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18、

My face was carefully unsurprised, patient for the rest.

我的脸上是小心翼翼的毫不惊讶的神情,我耐心地等待着下文。

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19、

Samsung's report of child workers at the factory was the first such admission by the company, which had previously dismissed two similar allegations by CLW as unsubstantiated.

三星此次报告新洋工厂童工事件,是该公司首次承认此类情况。此前,三星对“中国劳工观察”的两次类似指控不予理睬,称其无事实依据。

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20、

However, relegating all of them to a "tribe" is an unsubstantiated generalization hardly befitting an anthropologist engaged in a scientific study.

然而,把他们全部贬为一个“群体”显然是毫无根据的归类,和作者在做科学研究的人类学家的身份极不搭调。

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