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- back coupling condition 回授条件
- Results show, under a given coupling condition, the system will be unstable when the power overtakes its threshold. 结果表明：在一定的耦合条件下，超过某个功率阈值将导致系统不稳定；
- We by a better quality and higher quality service back coupling general consumers. 我们将以更好的质量和更优质的服务回馈广大消费者。
- We unceasingly enterprising, innovation, rapid optimization product quality, by better service quality back coupling each new old customer. 我们将不断进取、创新，迅速的优化产品质量，以更好的服务品质回馈每位新老客户。
- The coupling condition of process was adjusted through experiment.The resistance to alkali and the coloring power of pigment fast bright red BBN were improved. 通过实验对偶合条件进行调整,使耐晒大红BBN颜料的耐碱性和着色力得到提高,并且减少了原材料的消耗。
- "Serve for the public," We use the high quality the design, elects the material carefully, ingenious set, high efficiency production management system and strict quality monitor back coupling user. “全心全意为大众”，全众人以高品质的设计，精心细选的用材，巧妙的配置，高效率的生产管理制度和严格的质量监测回馈用户。
- This paper has studied the charateristics of laser diode and fiber by using gradient-index lenses with spherical end surface,optimizing coupling condition has be given in this paper. 本文就利用球端面梯折（梯度折射率）透镜进行半导体激光器和光纤耦合问题进行了探讨，给出了最佳耦合的条件。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- Better suited in field coupling conditions, the SCG method therefore is considered to be future trend in high resolution seismic exploration. 但是由于特殊耦合检波器造价较高，而且埋置不便，降低了野外施工的效率，故广泛使用难度较大。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- By the ray tracing in the channel waveguide, the dependency of the launching efficiency on the relative position of the pumping beam to the waveguide is analyzed and the coupling conditions are optimized. 通过几何光学法追迹泵浦光线在波导中的传播，系统地分析了泵浦光束与波导相对位置变化对泵浦耦合效率的影响，进而确定最佳耦合条件。
- A model of two-layer anisotropy media is used to simulate the crust and the upper mantle respect-tively, and elastic wave fields are calculated in four coupling conditions between the two layers. 用几种不同情况下的两层各向异性模型，模拟了全波场，著重分析了不同深度观测点上的前切波分裂特徵。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The talks have been put back to Friday morning. 谈判推迟到星期五早上进行。
- He hated to tuck his tail and back down now. 他讨厌此时夹着尾巴退回来。
