波状

Enlightened by the study of leak detection and location for tree-like gas pipe network, this paper raises a new method, which is based on wavelet analysis, pattern recognition and neural network to detect and locate the leakage for ring-like pipe network.

在枝状管网泄漏检测的研究基础上，本文提出了基于小波分析、模式识别和神经网络思想为一体的环状管网泄漏检测及定位方法。

It′s easy to control the thickness of the spacer of the device when employing the fused quartz as the material of the spacer,so the thin film interleaver can satisfiedly meet the demand of the narrow wavelength gap for the DWDM system.

采用间隔层为熔融石英的薄膜法布里-珀罗滤光片作为基本结构的光学梳状滤波器可以比较容易地控制各腔的厚度，因而能精确地达到波分复用系统中波长间隔非常窄的要求。

Lacy breakers lap the coral reef that rings Bora-Bora, an ancient sunken volcano 165 miles (266 kilometers) northwest of Tahiti in French Polynesia's Society Islands.

花边状的浪花轻拍环珊瑚礁宝来宝来，一个古老的沉没的火山165英里（ 266公里）西北的法属波利尼西亚的塔希提岛的社会群岛。

Lacy breakers lap the coral reef that rings Bora-Bora, an ancient sunken volcano 165 miles (266 kilometers) northwest of Tahiti in French Polynesia's Society Islands.

花边状的浪花一圈珊瑚礁的环形物宝来，宝来，一个古老的沉没的火山165英里（ 266公里）在塔希提岛西北的法属波利尼西亚的社会群岛。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。