口器

One day, the wooden boat sank when passing Huatuozui Shoal. He fell into water with other people in the boat. Thanks to a wooden board, he could swim to the bank and survived.

一天，他所乘小船路过磁器口滑拖嘴险滩时，木船被险滩打翻，他与全船人员落入水中，幸抓得一块木板得以逃生上岸而化险为夷。

If a bit in this register is set, the corresponding port pin is enabled as an input with high-impedance output driver.

如果在这个寄存器位被设置，启用相应的端口引脚为高阻抗输出驱动器输入。

The simulation system used the serial-communication of industrial-control machine and converter for the remote control of the trial process, real-time control of the opening angle and running speed of the gate, and, moreover, adopts adjusting instantaneous water quantity in and out of the model to achieve a more accurate simulation of tidal waves.

该模拟系统利用工控机与变频器间串口通讯，对试验过程远程控制，实时控制尾门的开启角度及运转速度，调节模型瞬时进出水量，达到准确模拟潮汐波的目的。

In the system, the focus is order to improved mine flow fluency in the stope, the core equipments are new YZZ vibration flow-aiding machine and YSP water blasting-based rock breaker, optimized the mechanism of ore-drawing and built the measure of classification management to the mine mass.

该系统以提高采场放矿口矿流畅通为中心，以新研制的YZZ型采场振动助流器和YSP型水炮劈石器为核心设备，优化采场出矿工艺和实施块度分级管理。

Apparatus— Use a 500-mL glass flask A connected by means of a trap B to a reflux condenser C by ground glass joints.

装置---使用一个与500ml的玻璃烧瓶A，与水分测定管B连接，使用磨口玻璃接头与回流冷凝器C连接

There are a great number of embroidery mills in Ciqikou, as well as factories for cross-stitches.

磁器口所开绣坊颇多，解放前这里就有多家挑花工厂。

Keyboard function set through waveform type,frequency,amplitude,duty cycle,and other parameters of a signal to the microprocessor 89C51 control,MAX038 generated by the various signals,In this process,four-channel signal through D/A converters have simulated voltage and current,It transported up through the analog signal amplification,it enters the frequency MAX038 coarse-IIN,fine-tuning FADJ end,the duty cycle control-DADJ. In its COSC port received a three relays and oscillation frequency capacitance as a choice.

通过键盘设定函数波形种类、频率、幅度、占空比等参数的一个信号进入单片机89C51控制，由MAX038产生各种波形信号，在此过程中信号通过四通道D/A转换器产生模拟电压和电流，它再通过运放将模拟的信号放大，它进入MAX038的频率粗调端IIN、微调端FADJ、占空比控制端DADJ、在它的COSC端口接一个继电器和三个振荡电容作为频率选择。

Diplexers, a sort of three-port filter, can separate different band of frequency, and are the key component in the RF communication system.

双工器是一种三端口滤波器，起到分频和隔离的作用，是射频通信中常用的关键性器件。

The purpose of this paper is to extract the coupling matrix of generalized chebyshev filter, model the four-port rectangular junctions, multiple-stepped rectangular waveguide bend and T-septum rectangular waveguide junction by full-wave methods and design generalized chebyshev filters and diplexers. The main works are as follows: 1. Systematically research on the theory of generalized chebyshev filters The generalized chebyshev filters are based on the all-coupled model.

本文主要目的是研究广义切比雪夫滤波器拓扑结构、物理结构上可实现的耦合矩阵提取及其特性分析和基于模式匹配法全波建模四口矩形结、多阶梯矩形波导弯头、T—scptum矩形波导接头，最后，设计了一系列高性能的滤波器和双工器。

Rear gunsight having an open notch instead of a peephole or telescope.

在瞄准器的后部有一个开着的凹口取代了原来的窥视孔或望远镜。

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。