Douglas fir of California having cones 4-8 inches long.

1、

Any of several similar or related trees, such as the Douglas fir.

枞木类似或相关树木中的任意一种，例如黄杉。

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2、

In this picture, the circles represent the Douglas fir, or the nodes,

在这张图片上，圆圈，也就是那些节点代表花旗松，

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3、

Douglas sea and swell scale

道格拉斯海况和长浪尺度

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4、

He is a doubting Thomas.

他是个疑心的人。

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5、

She's a doubting Thomas.

她生性多疑。

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6、

He went there in 2013-like a doubting Thomas, he said-to see what the team was doing.

那是在2013年——他说，当时他是本着眼见为实的原则，想要去亲眼看看那个团队的工作。

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7、

He was being a doubting Thomas, someone who does not believe anything he is told.

他是一个a doubting Thomas，不相信别人告诉他的任何话。

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8、

We have been playing much tennis here this summer, and I'm looking forward to some doubles on your court.

今年夏天我们这里常打网球，我盼望你来个双打。

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9、

Voltage doubler charge pump circuit can generate the programming voltage over 17 V. the cycling redundancy check circuit can do the cycling redundancy check and the generation of cycling redundancy check code correctly.

级联倍压器电荷泵电路可以产生超过17V的编程电路；循环冗余校验电路可以正确完成循环冗余校验和循环冗余校验码产生功能。

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10、

The paper points out that it is possible to produce pulsed highvoltage eletrostatic power supply by using the voltage doubler rectifier circuit.

并指出了用这种倍压整流电路制造脉冲式高压静电源的可能性。

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11、

The Analysis of the Characteristics of Voltage Doubler Rectifier Circuit in Static Precipitator Power Supply

静电电源设备中倍压整流电路的特性分析

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12、

DC power based on Johnson-type DC-DC converter and voltage doubler circuit.

直流电源以约翰逊式DC-DC变换器和倍压电路为基础研制而成。

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13、

A New Type of Frequency Doubler for Tunable Ti ∶ Sapphire Laser

可调谐掺钛蓝宝石激光器的一种新型倍频器

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14、

The result of test showed that the frequency doubler satisfied the design target perfectly.

实验结果表明，倍频放大组件完全满足设计要求。

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15、

Phase jitter and restraint method for phase locked loop frequency doubler

锁相倍频器的相位抖动及其抑制措施

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16、

The Application of Programmable Dynamic Frequency Doubler on Large Gear Testing in Situ

可编程动态倍频器在大齿轮在机测量中的应用

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17、

Voltage and current relationship is used to qualitatively analyze frequency doubler.

在倍频器的研制中，我们使用电压电流的关系来分析倍频器。

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18、

Research on the Millimeter-wave Microstrip Integrated Frequency Doubler

毫米波微带集成倍频器研究

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19、

The principles, design method and design process of varactor frequency doubler are presented particularly.

其中重点论述了变容管倍频器的工作原理、设计方法和详细的设计过程。

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20、

A Study on the Calculating Method for Removal Coefficient of Passenger Trains on Double Track Railway with Automatic Block System

基于移动自动闭塞条件的列车运行仿真系统双线自动闭塞区段旅客列车扣除系数计算方法的探讨

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