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1·The results show that crystal ABP has a large effect of frequency doubling.

实验证明该晶体有强的倍频效应。

2·The scheme adopted in the source is Direct Digital frequency Synthesis by frequency doubling and mixing.

频综源采用直接数字频率合成(DDS)加倍频、混频方案。

3·Objective To study the presentation of frequency doubling perimetry (FDP) in patients with primary open angle glaucoma(POAG).

目的探讨早期原发性开角型青光眼（POAG）倍频视野（FDP）的表现。

4·The PLL correction circuit enables input signal to multiply with changed frequency doubling factor during correction intervals.

PLL电路在校正间隔期间使输入信号乘以改变后的倍 频因子。

5·The structure of the invention can be used for producing basic-frequency light and frequency doubling light, in particular high-efficiency frequency doubling light.

本发明的结构可用于产生基频光、倍频光，特别是高效倍频光。

6·According to physical signification, three metrical methods are introduced: optical communication stimulant method, extremal measure method and frequency doubling modulation method.

根据其物理意义，介绍了三种测量方法：光通信模拟法、极值测量法、倍频调制法。

7·During the design of a practical interferometric fiber-optic sensor, one of the key problems is to compensate phase random shifting and eliminate frequency doubling caused by strong signal.

在干涉型光纤传感器的实用化设计过程中，相位随机漂移补偿及强信号下出现的倍频的消除是关键问题之一。

8·The invention discloses an intracavity frequency doubling laser for eliminating frequency doubling crystal wave-plate effect, which relates to the field of intracavity frequency doubling lasers.

本发明的消倍频晶体波片效应的腔内倍频激光器涉及腔内倍频激光器领域。

9·Doubling the frequency of logical operations inside a microprocessor doubles the heat output.

微处理器内部逻辑操作的频率加倍，产生的热量也加倍。

10·For fixed damping and fixed excited frequency the motion of the beam under small amplitude of force is periodic, but becomes chaotic through period doubling bifurcation with increase of the force.

对固定的参数激励频率和阻尼，当参数激励幅值较小时梁的运动是周期的，但大幅值激励会使运动通过倍周期分岔变为混沌。