他等待着目标和十字准星的重合.

He waited for the coincidence of the target and the cross hairs.

重合检测；

Coincidence detection;

作者主要介绍了重合指数法的历史背景、来源、基本原理及其应用。

This paper mainly studies the index of coincidence of historical background and origin, basic principle and its application.

建立了具有白指数律重合性的非等间隔灰色直接模型,给出了模型参数优化的小生境遗传算法.

A direct grey model of unequal gap which possesses white exponential law coincidence property is built.

同一循环中的加载与卸载曲线基本不重合，且多数情况不形成闭合环路；

The loading curves of coal-rock combination body are usually not coincidence with the unloading curves. In addition, they usually do not form a closed loop.

集体经济组织与基层自治组织的重合性，导致集体经济组织常常会损害农户利益。

The coincidence of collective economic organizations and basic-level autonomous organizations often leads to the infringement of farmers rights.

本文研究一类捕食者具有阶段结构的捕食者食饵系统，利用重合度理论建立了这类系统正周期解的存在性结果。

By using the continuation theorem of coincidence degree theory, the existence of a positive periodic solution for the predator-prey system with stage-structure for predator is established.

一个非手性的物体可以与其镜像重合。

An achiral object can be superimposed on its mirror image.

文化区与语言区基本重合.

The culture areas are essentially coincident with language areas.

从底片上可以看出两个景重合了.

The negative showed that one scene had been superimposed on another.