查询词典 spectrum

As the emission spectrum of Erbium ions covers 1550nm, which is the low loss window in fiber optic communication, the study on EDFA and fiber laser is crucial for the development of technology of fiber optical communication.

由于铒离子的发射谱覆盖了1550nm的光纤通信低损耗窗口，因此对掺铒光纤放大器及激光器的研究将对光纤通信技术的发展起着举足轻重的作用。

Based on the concept of antenna near-field measurement and the theory of plane wave spectrum, the theory of plane near-field measurement and error analysis are introduced, two errors of plane radiation near-field measurement are discussed in detail: the probe positioning error and the truncation error of finite scanning.

本文从天线近场测量的基本概念出发，以平面波谱理论为基础，介绍了平面近场测量理论及其误差分析方法。

Statistical thinking and methods are essential to a broad spectrum of industrial, research, educational, business, and government activities.

统计思想和方法是必不可少的工业，科研，教育，广泛的商业和政府活动。

A complete spectrum of essential minerals ,in balanced ,highly bioavailable forms !!!

一个完整的生活必需的矿物质，在均衡的，高度生物利用形式！

Contains a wide spectrum of essential and non-essential amino acids like lysine, proline, arginine, etc.

包含一系列范围广泛的必要的和非必需氨基酸一样，赖氨酸，脯氨酸，精氨酸等。

The results of the study are as follows: 1 Wigner′s time-frequency analysis of the geoacoustic signal is of a clear physical meaning, which can be described as the energy distribution in time and frequency domain, and can reveal the frequency spectrum essential features of non-stationary geoacoustic signal.

研究表明：1。地声信号的Wigner时-频分析具有明确的物理意义，它可表述为信号在时间和频率域上的能量分布，揭示了非稳态地声信号频谱的本质特征。

For this reason, the visible channel provides an essential spectrum for identifying daytime cloud and fog.

根据瑞利准则，反射光线程差的加大，突出了目标物的粗糙度，从而使云系结构更为清楚，目视感更好，而雾区则不会出现这种现象。

Chelated Mineral , a complete spectrum of essential minerals, in balanced, highly bioavailable forms.

螯合性矿物质：蕴含完整系列的重要矿物质，配方均衡，极易为人体吸收。

While an astronomical image provides a direct and spectacular view of the universe, a spectrum plays an essential role for our understanding of the physics behind.

虽然拍摄影像可直接展现天体的壮丽形态，但是光谱技术却更能为深入了解天体上发生的物理过程提供重要资讯。

The research indicates that the Si-H bond density could be obtained by calculating the intensities of Gauss standard normal curves which is essential for fitting the FTIR spectrum properly.

研究表明，通过分别计算拟合后的标准正态Gauss峰的积分强度可以得到比较准确的Si-H键含量。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"