Ld.
英
美
abbr. (=Limited)(=Lord)
[网络] 有限的；半数致死量；路迪卡登
双语例句
- You didn't ask for ld.
你没有向他要身份证。 - On the base of that, we use the PSpice simulation software to imitate the various characteristic of the QW& LD.
Gao模型和GRossi模型，在此基础上，利用PSpice这个电路仿真软件，对量子阱激光器的多种特性进行了模拟。 - The paper put forward a method of wireless laser communication system based on the interface of USB with the semiconductor LD.
本文借助半导体激光器，提出了一种基于USB接口的激光无线通信系统。 - We have an attempted murder, we have a positive ld.
我们这里有一件谋杀未遂案件。 - Conclusions To determine the B-gal and U-gal, O-toluidine method can be regarded as an indirect diagnostic method of LD.
结论邻甲苯胺法测定B－gal和U－gal可作为LD的间接诊断法之一，静脉血和毛细血管血测定结果无显著差异。毛细血管血法易被小儿及家长接受，且尿法更为简便。 - Based on this model, the definition of optical gain factor is given. The factor is determined by LD micro-structural parameters, and reflects the sensitive degree of ionization effect on the LD.
在此基础上定义了光学增益因子，该因子表征了该类型LD光功率对电离效应的敏感程度，它是由激光器本身微观结构、材料参数决定。 - Therefore, as a UV emission material, ZnO is suitable for using at room temperature or higher temperature. It has a promising application in the field of LED and LD.
因此，ZnO是一种适用于室温和更高温度下的紫外光发射材料，在LED和LD领域有着很大的应用潜力。 - From the simulation, we determine the best pump source-a single light emitting point of LD. We design parameters of the optical coupling system, including the lens focal length, diameter, location parameters, and do the error analysis of the system.
从仿真的角度，确定了最佳的泵浦源&单发光点LD，并利用该泵浦源设计了最佳的光学耦合系统参数，包括透镜的焦距、口径、位置参数，同时对系统进行了误差分析。 - There are also great prospects in pumping solid laser instrument with LD-SLA instead of traditional LD.
用LD-SLA来代替传统的LD来泵浦固体激光器也有很大的发展前景。 - Forward SBS is observed during pump power is larger than the threshold value of SBS in a S-band FRA and signal source is a tunable narrow spectral bandwidth (< 100 MHz) LD.
用窄光谱带宽（<100MHz）的可调谐LD作为信号源，通过S波段分布式FRA，当被放大的信号功率超过单模光纤SBS的阈值时，出现了前向SBS。