高速

Cutting experiments in tools factory show that the lathe tools and milling cutters made of the modified cast high speed steel can achieve the qualified standards for wrought high speed steel tools according to the Chinese National Standards, and the useful life of the modified cast high speed steel lathe tools is increased three times longer than that of the forged lathe tools.

变质M2铸造高速钢车刀和立铣刀在工厂的切削实验与应用表明：这两种刀具均达到国家规定的锻造高速钢刀具合格品标准，且车刀的耐用度较锻造车刀提高3倍以上。

The sampling rate is set up by DSP on-chip high speed counter ,and two 322bit high speed counter s and the counter-controlled electric circuit are constit uted by the external CPLD.

采用 DSP 锁相环技术，将外部输入时钟频率提高5倍，作为时标信号；通过 DSP 片上高速定时器完成采样速率设定功能；利用外部 CPLD 构成两个 32 位高速计数器和计数器开闭控制电路。

High-speed products are the main stereotypes Drawing AR-200 to 600, galvanized the entire surface with clean stainless steel, smooth-running, beating only a small amount.

主要定型产品有高速拉丝机铁盘200型～600型，全表面镀锌处理，光洁不锈，高速运转平稳，跳动量极小。

The company established a high-speed product line-drawing machine-630-200, galvanized the entire surface with clean stainless steel, smooth-running, beating only a small amount.

本公司主要定型产品有高速拉丝机线盘200型~630型，全表面镀锌处理，光洁不锈，高速运转平稳，跳动量极小。

To meet the demand of high-density and high-speed for split-row feed for soybean, we developed one single-wheel, single chamber and high-speed pneumatic feed , that is applicable for single and split row precision drilling for soybean.

为了满足大豆双条高密度和高速播种的要求，研制了既适合于单条精密播种又适合大豆双条精密播种的单盘、单种室高速气吸式排种器，并对播种盘的型孔参数进行了详细地理论分析和计算。

To promote the rapid development of Internet, the Great Wall Broadband Network Service Co., Ltd. to the next generation of Internet technology to build the Great Wall, based on high-speed broadband Internet.

为推动互联网的高速发展，长城宽带网络服务有限公司以下一代互联网技术为基础构筑长城宽带高速互联网络。

Factors which can affect missile warhead striking against target are analyzed based on high speed impact dynamics, and the possibility of laminated structure titanium alloy serving as high speed semi-armor-piercing warhead is discussed.

从高速冲击动力学的角度出发，分析了影响导弹战斗部同目标撞击时的因素，讨论了层状结构的钦合金用作高速半穿甲战斗部的可能性，进而表述了服役效能在材料开发中的核心地位。

Self-checking is an indispensable function in modern signal recording equipments for radar application. So, doing research on high-speed pulse generator becomes more and more important.

高速数据采集系统的机内自检与测试是系统设计中不可缺少的一项功能，高速脉冲信号源是采集系统自检与测试系统的重要组成部分。

In order to satisfy the high production cultivation technology of the soybean,a high speed,single plate type suction seed metering device has been developed.The experiment of gantry performance indicated that the single qualified rates of inner and outer rows are bigger than 90.00%;the leak rates and re-plant rates are lower than 10.00% under the 0.004 MPa vacuum condition and the 1.17r·s~(-1 rotation speed of planting plate.

为满足大豆&暗垄密&高产栽培技术而研制了高速单盘精密双条气吸式排种器，该机台架性能试验表明：在真空压力为0.004 MPa条件下，排种盘转速低于1.17 r.s-1时，内、外条单粒合格率均大于90.00%，漏播率和重播率低于10%，分条性显著且排种性能稳定，能够满足大豆双条高速精密播种的要求。

But there was no current modulate circuit for TDLAS system.The design of modulation circuit for tunable diode laser based on DDS has been introduced.The main idea of design is using MCU to control DDS and D/A chips,so we can get sine wave and saw tooth signals.

DDS器件采用高速数字电路和高速D/A转换技术，具备了频率转换时间短、频率分辨率高、频率稳定度高、输出信号频率和相位可快速程控切换等优点，可以实现对信号的全数字式调制。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。