qnd的翻译

In this paper, the fuel spray penetration, cone angle and droplet size distribution of a conical nozzle are investigated by using laser technique, qnd the fuel spray characteristics of the conical nozzle are compared with those of multihole nozzles.

本文应用激光技术对伞喷喷油嘴的喷雾贯穿距离、喷雾锥角、喷雾粒径及其分布等进行了研究，并对伞喷喷油嘴与多孔喷油嘴的喷雾特性进行了比较。

Based on the theory proposed by Walls et al, an experimental scheme of quantum non demolition ( QND) measurement for intensity difference fluctuations is put forward, which is realized though a nondegenerate optical parametric amplifier.

提出了一种强度差起伏量子非破坏性（QND）测量的实验方案，该方案通过一个非简并光学参量放大腔实现。

We give out the maximal limit of the beam splitter's loss when the input probe is a nonideal squeezed light and the system can implement QND measurment.

给出当输入探测光的量子起伏为某一确定值时，要实现量子非破坏性测量分束器损耗的上限值。