当前的研究与开发的重点是具有高记录密度，数据传输速率快、稳定性好、载噪比大和误码率低的可擦型光盘存储材料。
The erasable optical disk with high recording density, high stability, high data transfer rate, high carrier-noise ratio and low error rate arc the main points in the research and development.
这里假设复合率是与注入载流者的密度成正比。
It was assumed that the recombination rate is proportional to the density of injected carriers.
文章根据建立的降落伞充气过程中轴向和径向动量方程，研究了低密度大气中降落伞的开伞动载。
The equations of axial momentum and radial momentum are made during the presented inflation of parachute, and the parachute opening load in low atmospheric density is studied on the basis of them.
氢是一种十分理想的载能体，它具有能量密度高，热转化效率高，清洁无污染等优点。
As an ideal energy carrier, Hydrogen has advantages of high energy density, high convert efficiency and cleanness.
实验结果表明 ，激光功率密度、反应压力、载气种类及流量等反应参数对粒子的粒径、形貌、收率等性能均有一定影响。
The experimental results showed that the process parameters such as laser power density, reaction pressure, the sorts and rate of airflow affected particles' shape, size and yield.
酶生物燃料电池的寿命短以及能量密度低都与酶的稳定性、电子迁移速率和酶载量相关。
The two problems of enzyme-based biofuel cells are short lifetime and poor power density, both of which are related to enzyme stability, electron transfer rate and enzyme loading.
本文介绍了根据应变能密度原理估计拉载作用下缺口底部应力、应变的方法。
An application of the equivalent strain energy density method for calculation of elastic-plastic notch-tip strains under tension loading is presented.
本文介绍了根据应变能密度原理估计拉载作用下缺口底部应力、应变的方法。
An application of the equivalent strain energy density method for calculation of elastic-plastic notch-tip strains under tension loading is presented.
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