Experimental studies of relativistic backward wave oscillator ( BWO ) with a resonant reflector are presented.

First, the present thesis gives theoretical investigations on the coaxial BWO using the linear fluid model.

首先, 本论文采用线性理论模型研究了同轴相对论返波振荡器的相互作用过程.

The comparison of the computational results for reactor core of PWR and BWR are also presented.

文中还给出了压水堆和沸水堆堆芯计算实例的比较.

The drive is different from electric-magnetic drive for PWR or hydraulic drive for BWR.

这种传动不同于压水堆上使用的电磁 - 机械传动,也不同于沸水堆上使用的液压传动.

Conclusions: BWR is an accurate diagnostic method for approximal caries in present clinic practice.

结论: 平行投照的BWR是目前较好的临床诊断方法,对于早期邻面龋有一定的诊断能力,但诊断水平尚有待提高.

Conclusions: BWR is an accurate diagnostic method for initial posterior approximal caries in present clinic practice.

结论: 平行投照的BWR是目前较好的临床诊断方法,对于早期邻面龋有一定的诊断能力,但诊断水平尚有待提高.

This year's deposit interest rate for US dollars will not be adjusted by a large margin.

今年美元的存息将不会有大幅调整.

Utilization of foreign capitals: Utilization of foreign capitals grew by a large margin.

利用外资: 利用外资有较大幅度增长.

Our school's enrollment quotas have surged by a large margin.

学校升学率大幅度跃升.

Las Vegas handicapped the underdogs by a large margin.

拉斯维加斯对失败者落井下石.

We raised the minimum grain purchase prices by a large margin.

大幅度提高粮食最低收购价.

Savings deposits and loans of financial institutions increased by a large margin.

金融机构存贷款增加较多.

A new pet census showed that cats now outnumber dogs by a whisker (7 million to 6.9 million).

新的宠物普查显示出猫的数量略微超过了狗的数量（700万比690万）。

You escaped serious injury by a whisker, so consider yourselves very lucky.

你差一点就受重伤, 你应该觉得自己很幸运.

They'a world-class team and it was no surprise that they won by a wide margin.

他们是世界强队,以很大差距获胜一点也不惊奇.

It consistently out-performs conventional bronze gate valves by a wide margin.

可以肯定,关闭阀在性能上远远胜过普通的青铜闸阀.

He beat the other runners by a margin of ten seconds / by a wide margin.

他以领先十秒[很大差距]战胜了其他赛跑者.

The output of 13 major products has increased by a wide margin.

13项主要产品的产量都有大幅度增长.

CUSTOMER: Quite by accident. I moved a few peas and there it was.

顾客: 完全是偶然找到的. 我挪动了几颗青豆就找到了.

This bag should not be consumed. If put in mouth by accident, wash mouth immediately.

请勿食用,如果误食入口, 请速以清水漱口.

Everything seemed to have happened by accident.

一切似乎是偶然发生的.