控制信号

The dual scale automaton model is improved by introducing the rule of synchronization development, mechanism of reiteration and delay law of plant growth from the viewpoints of botany,which make it possible to generate almost all types of the inflorescences defined by botanists, and to simulate acropetal and basipetal flowering sequences.

通过在双尺度自动机模型中引入&同步生长机制&和&重复生长机制&，能够模拟所有植物学中给出的花序类型。并通过应用&生长延时机制&，实现了&向顶开花&和&向基开花&两种开花顺序的模拟，避免了L系统用成花信号控制的缺点。最后通过与L系统的比较，证明该方法简单实用

The modulation mode of baseband signal and working parameters of radar can be changed agilely.

本文设计了基于DSP的AD9857实现数字上变频方案，该方案由DSP产生不同编码的数字基带信号，并实现对AD9857的控制。

The fuzzy neural networks can be trained successfully by ameliorative BP arithmetic in this paper.

0引言城市交通信号作为一个时变、具有不确定因素的复杂系统，传统的控制方法难以取得满意效果。

In Dictyostelium amoebae, cell-type differentiation, spatial patterning, and morphogenesis are controlled by a combination of cell- autonomous mechanisms and intercellular signaling.

在变形虫盘基网柄菌中，细胞自主机制和细胞内信号的共同作用控制着细胞类型的分化、空间模式和形态发生。

UDZ Series liquid level indicator of flap disassembly fast and convenient, the installation position can be arbitrary choice, free to change the direction of observation, thus instrumented great visibility; UDZ series of cost-effective liquid level was significantly higher than that used multiple sets of glass plate liquid level of cost performance; UDZ series of liquid level indicator, the sender's device, as well as the liquid level with the main transmission medium within the complete separation of the measured structural design, so that level gauge in the job has pressure (up to 320KG), toxic and inflammable conditions, with absolute safety and reliability; UDZ-3 type uses innovative design, improve the sensitivity of the sensor, and its near-zero drift FarEasTone signals and long-term stability so that it has always been at the scene consistent level instructions; sensors and the main body has a certain interval, which can be solved effectively under high-temperature liquids (up to 480 ) remote detection and control; antifrost type UDZ Series Level Gauge, are I plant the patented product (Patent No.: ZL00221022 3), guarantees that the use of cryogenic liquid level gauge is not freezing (such as liquid CO2), the effective guarantee of the level of a normal job.

UDZ系列液位计的翻板指示器拆装快捷方便，安装方位可任意选择，观察方向可随意改动，因而仪表指示的可视度很大；UDZ系列液位计的性能价格比明显高于采用多组玻璃板式液位计的性能价格比；UDZ系列液位计的指示器，发讯器、以及液位变送均与主体内被测介质完全隔离的结构设计，使液位计工作在有压（可达320KG）、有毒和易燃的工况下，具有绝对的安全性和可靠性；UDZ-3型采用了新颖设计，提高了传感器的灵敏度，其远传信号近乎零温漂和长期稳定性使其始终于现场液位指示保持一致；传感器和主体有一定的间隔，因而能有效地解决高温液体（可达480℃）远距离检测和控制；防霜型UDZ系列液位计，是我厂的专利产品（专利号：ZL00221022·3），保证了在低温液体上使用液位计不结冰（如液体CO2），有效的保证了液位计的正常工作。

Self-pollination was brought as the essential reason for causing emptied seeds by former researchers. Based on those studies, potassium antimonate and electron microscopy were used to study the calcium distribution of pollens in the micropylar canal of self-pollinated and cross-pollinated ovules and morphological changes in certain cells undergoing programmed cell death from pollination to fertilization, and observation of histo-chemical changes during microgametopyte development was performed by paraffin section.

前人研究认为自交是华北落叶松产生空粒的主要原因，本论文在此基础，运用焦锑酸钾沉淀法配合电镜观察研究了传粉后到受精前异交控制和自交辅助授粉胚珠珠孔道内花粉的钙分布情况，及此过程中细胞程序化死亡超微结构的变化，并通过石蜡切片研究了华北落叶松传粉后到受精前雌配子体发育过程及细胞内含物的变化，以研究在受精前胚珠内是否存在花粉识别与选择系统，探讨钙信号传导和花粉与胚珠相互作用及细胞程序化死亡的关系。

This paper presents adigital pulse of the specific method,the use of piezoelectric sensors have apulse,after plastic surgery to enlarge,the importation of SCM within the corresponding control,which measured the pulse of one minute,beating number.

本文首要介绍了数字式脉搏计的具体实现方法，利用压电传感器产生脉冲信号，经过放大整形后，输入单片机内进行相应的控制，从而测量出一分钟内的脉搏跳动次数。

End users control RoA via DTMF by keying in the access code then the number you wish to connect with or RoA can be configured to open an autocall to a preset number on carrier detection.

用户可以通过DTMF信号来控制RoA---首先输入接入码（access code ，默认47#），然后输入你想拨打的对端号码。RoA也可以被配置为在载波检测时自动拨号。

In the design part of the PLC control, the paper has explained the design process of the PLC I/O hookup, provided the choice result of the PLC and the PLC I/O elements, and has explained the design process of the PLC user program in detail, which includes the exposition to the design process of the public program, manual program, autoloading program signal showing and trouble alarm program.

在PLC控制的设计部分中，阐述了PLC I/O接线图的设计过程，给出PLC及其输入/输出元件的选择结果，详细地阐述了PLC用户程序的设计过程，其中包括对公用程序、手动程序、自动程序、信号显示与故障报警程序的设计过程的阐述。

It has the function of automatical controlling, measuring, sampling and data processing.

该软件由6个模块组成具有自动控制测量电路、信号采集、数据处理的功能。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。