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- double frequency recording 双频制记录
- A double frequency drape bugle shape antenna includes a guiding tube and a bugle section. 一种双频皱波状喇叭天线，包括一导管及一喇叭部；
- The OH - transmissive spectra,photo damage resistance,photo conductivities and the double frequency properties have been measured. 测试了晶体的红外透射光谱、抗光损伤能力、光电导和倍频性能。
- The authors believe that,if the weall shading effect is not considered, it is moro reasonable to regard the sounding point as the frequency record point. 认为，在不考虑微弱的阴影效应时，将测深点作为频测记录点更为合理。
- The paper discusses how to designand test the micro self - adjustable controller with double frequency laser intervener and theory of super stability based onPOPOV. 现主要讨论一种采用双频激光干涉仪作为位置反馈元件的基于POPOV超稳定性理论的自适应微动控制器的设计和实验过程。
- Temperature Modeling of Intracavity Doubling Frequency Nonlinear Crystal[J]. 引用该论文 李隆;史彭;陈浩伟;贾森;白晋涛.
- The lower ploidy materials,the higher chromosome doubling frequency. 倍性低的材料加倍率较高。
- It made use of the signal automatic gain control (AGC) and complex logical control to realize the precise measurement of the ultrasonic signal, and made use of the logical analytical method to realize double frequency and 160 MHz frequency of the counter. 利用超声波信号的自动增益控制 (AGC)和复杂的逻辑控制实现信号的精确测量 ; 利用逻辑分析实现倍频 ,使计数器的计数频率达到 16 0 MHz;
- The double frequency number is selected directly by software.When input pulse width of the frequency doubler changes, output pulse can well trace.The frequency doubler fully meets the needs o... 该倍频器在输入脉冲宽度变化时能很好地动态跟随，倍频数绝对准确，倍频后的脉冲宽度均匀，完全满足了大齿轮在机测量的要求。
- Frequency Record Management System 频率记录管理系统
- H-bridge topology ,adopted in the power circuit, runs under the limited unipolar of double frequence reversible PWM mode. 功率电路采用工作在单极倍频可逆PWM控制模式下的H桥结构。
- Conclusion Doubled frequency laser 532nm is validated with low reoccurrence in treatment of CSCR. 结论倍频532激光光凝治疗中心性浆液性脉络膜视网膜病变，疗效确切，复发率低。
- Smearing apical point with a mixture of 0.2% colchicine plus adeps lanae and 1.5% DMSO was also effective with doubling frequency 14.0%. 1%25秋水仙素+羊毛脂膏+1.;5%25DMSO涂抹生长点试验，加倍率为14
- Temperature field analytical- analysis of intracavity doubling frequency crystal KTP in High power all-solid-state laser[J]. 引用该论文 李隆;史彭;李东亮;甘安生;任兆玉;白晋涛.
- The new type double frequency conversion dye jig 新一代双变频卷染机
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- Objective To analyze the clinical results of doubled frequency laser with a wavelength of 532 nm in treatment of central serous chorioretinopathy (CSCR). 摘要目的研究倍频532激光光凝治疗中心性浆液性脉络膜视网膜病变的临床效果。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
