光密度

So Fe/Pt nanocrystal permanent magnets have been used in the field of medical instrument and high density magnetic recording.

这些特性使其在高密度磁光记录材料和各式各样的微电器件方面有着很好的应用前景。

In order to find a kind of PR signal which has good recording performance and is easy to realize under high recording density, the frequency characteristics and the optical recording channel output SNR are compared with the method of simulation and mathematical analysis.

提出了一类适合光记录的部分响应信号，通过仿真和数学分析的方法，分别对这类信号的频率特性和记录信噪比进行了比较，目的在于寻找在高记录密度下既有好的记录特性又便于实现的部分响应通道。

To realize high storage density, the key and efficient way is to obtain optical storage materials capable of recording information in high density by means of laser beam with short wavelength.

为了达到高密度存储，关键而有效的方法是获得更短波长的光存储材料。

Based on the summary of latest research results, the structure features, the synthesis methods and the mechanism as high density recordable optical recording media of metal porphyrin complexes are described.

本文在总结近年来最新研究成果的基础上，阐述了金属卟啉配合物的结构特点、合成方法和作为高密度可录光盘存储介质的作用机理，讨论了影响卟啉配合物性质和光存储性能的主要因素，并对未来的发展趋势作了展望。

In this year it consists of (1) magnetic recording head materials;(2)giant magnet-resistance materials;(3)perpendicular magnetic recording materials;(4)high density magnetic storage maferials;(5)study of magnetic thin film by magnet-optical method.

本年的综述内容包含：(1)磁记录头材料；(2 )巨磁电阻材料；(3)垂直磁记录材料；(4 )高密度磁存储材料；(5 )磁膜的磁光法研

And red shift is a constrained effect of quantization of wavelength.

光的弯曲是由珠子密度不同引起的折射率变化的结果。

Especially in the benthic optical fiber communication system, semiconductor laser diode is required to work more than 25 years.

但是半导体激光器作为一种高功率密度并且具有极高量子效率的器件，微小的输入电流和温度的变化都将导致输出光功率的极大变化，即使在小功率下也不能在室温下连续工作。

Straws and isocyanate resin are used as raw materials in the manufacture of homogeneous strawboard.

概述 秸秆均质板是以农作物的秸秆、异氰酸脂胶粘剂为原料，秸秆经切断锤碎、干燥、施胶、铺装、预压、热压锯边、砂光等等工序制成的不含甲醛的"绿色"板材，密度为500-850Kg/M3。

In order to meet the requirements of the near-field optical storage system for higher density, higher communication speed and integration, a subminiature anti-particles load-supporting stage was designed for low wear and high near-field coupling efficiency.

为满足近场光存储的高密度、高速度和集成化的要求，提高近场界面耦合效率，消除灰尘对固体浸没透镜的磨损，设计了一种新型的承载微工作台，并建立了系统动力学模型。

The threshold of lithium tantalite under single-shot is found to be 1.84J /cm 2 and the avalanche rate was determined to be 1.01 cm 2 /J by calculation. We found that avalanche dominates the ablation process, while photoionization serves as a free electron provider.

在800nm飞秒激光脉冲作用下，钽酸锂晶体单脉冲烧蚀阈值为1.84 J /cm 2；在此基础上，我们通过建立钽酸锂晶体中导带电子密度演化微分方程，并数值求解，得到了钽酸锂的碰撞电离速率系数为1.01 cm 2 /J ，并得出在钽酸锂表面烧蚀中，光致电离提供种子电子，雪崩电离起主导作用的结论。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。