双射是有状态组件开发的基础。
Bijection is a cornerstone of stateful component development.
我们发现了一些关于双射性的非常重要的事实。
We found a small number of very important facts about bijectivity.
使用抛物型缓坡方程和修改抛物型缓坡方程研究了双圆形浅滩地形的波浪折射绕射。
Parabolic mild slope equation and modified mild slope equation are applied to solve refraction diffraction of waves over twain circular shoal.
从折射定理出发，给出旋转双光楔的入射光线和出射光线之间的对应关系。
Starting from refraction theorem, the corresponding relation between incident light and outgoing light of the rotating double optical wedges is given.
方法分析双曲对称群的特点，改造欧式平面上构造经典分形的IFS迭代函数系，利用这种迭代函数系与双曲平面对称变换构造出组合IFS，通过随机挑选组合IFS中的仿射变换，构造双曲排列的分形集。
We recall the characteristics of the groups with hyperbolic symmetry and improve the IFS iterated function systems which are used to construct the classical fractal sets in the Euclidian plane.
介绍Z8640双工位四开模热芯盒射芯机常规继电器线路控制系统整改为可编程序控制器（PLC）控制系统的目的、应用和技巧。
Purpose, application and skill in control system transformed from conventional banked relay to PLC control system on Model Z8640 hot box core shooter have been introduced.
本文提出一种铯原子束激射器的建议，其中利用了双束激光抽运选态技术和原子贮存泡方法。
In this paper a cesium beam maser is proposed in which the optically pumping state selection technique by two laser beams is used together with the atom storage bulb technique.
用实验方法研究了三种新激光染料PSPI,DEASPI和HEASPI的双光子吸收荧光和上转换激射。
The properties of two photon induced fluorescence and up conversion lasing of three novel laser dyes, PSPI, DEASPI and HEASPI, have been experimentally investigated.
模拟结果表明，对于这种脉冲激光，光化学中双光子反应主要是由起始时未被充分散射和吸收的脉冲所驱动，而单光子反应是由经散射后的浸射光所驱动。
For the impulse, the two-photon reactions were dominated by the initial primary (unscattered and unabsorbed) pulse and the single—photon reactions were dominated by the scattered diffuse light.
基于端射阵理论，优化设计了一副小型宽带、具有大前后比的双鞭天线，并以此作为阵列天线的基本单元组成六元均匀线阵。
Then, based on the end-fire array theory, a small broadband twin-whip antenna with big forward to backward ratio is designed.
把固体染料激光器工作介质激射寿命的概念推广到液体染料激光器中，同时提出了一种针对液体激光染料激射寿命的双激光光路测试方法。
The concept of the lasing lifetime of working substance in the solid dye laser is promoted to liquid dye laser, and a twin laser beam testing method to measure the lasing lifetime is presented.
他瘦小干瘪，满口难看的牙齿，肝火很旺，蓬乱的灰胡子，还长著一双凶光四射的眼睛。
He was a small, shriveled person, with bad teeth and a bilious air, an untidy grey beard, and savage eyes.
氨量子微波激射器：在哈密顿量含时情况下一个双态系统的动力学情况。
The ammonia maser: dynamics in a two-state system with a time-dependent Hamiltonian.
氨量子微波激射器：在哈密顿量含时情况下一个双态系统的动力学情况。
The ammonia maser: dynamics in a two-state system with a time-dependent Hamiltonian.
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