单型

The sine and cosine signals induced on stator are amplified by instrumentation amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA, and the converted 16-bit parallel angle data and direction signal are transferred to DSP.

本设计中通过RC 振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过FPGA 实现数字逻辑控制以及地址解码，将转换后的16 位并行转角数据以及方向信号送入DSP 中。

In this design, a single-phase exciting signal generated by RC oscillatory circuit is applied to the rotor of synchro. The sine and cosine signals induced on stator are amplified by instrumentation amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA, and the converted 16-bit parallel angle data and direction signal are transferred to DSP.

本设计中通过RC振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过FPGA实现数字逻辑控制以及地址解码，将转换后的16位并行转角数据以及方向信号送入DSP中。

In this design, a single-phase exciting signal gener AT ed by RC oscill AT ory circuit is applied to the rotor of synchro. The sine and cosine signals induced on st AT or are amplified by instrument AT ion amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA , and the converted 16-bit parallel angle d AT a and direction signal are transferred to DSP.

本设计中通过RC振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过 FPGA 实现数字逻辑控制以及地址解码，将转换后的16位并行转角数据以及方向信号送入DSP中。

Our company's main product includes:Four rope double petal multi-petal grab,Double rope double petal grab,Rolls the double petal multi-petal grab, Remote control grab, dredging grab, single rope grab, container, and hoist, Cable Remote-Control grab, Electric-Hydraulic grab, Electric Motor grab, hopper, spreader, jig, Deck Crane, Hydraulic Hose Crane.

抓斗：双绳抓斗，四绳抓斗，气动抓斗，单绳抓斗，液压抓斗，疏浚抓斗，挖掘机抓斗，剪式抓斗，木材抓斗，荷花抓斗、无线摇控抓斗、电厂专用防水抓斗、手拉抓斗、集装箱吊具、半自动吊具、吊梁，C型钩，集装箱运输车、夹钳、液压旋转可伸缩集装箱吊具、机械式抓斗、电动液压抓斗、无线电遥控抓斗、水下疏浚抓斗、工程车辆配套液压抓斗。

Let G be semisimple matrix group with Lie algebra g, T a fixed maximal abelian subalgebra of g, T the orthogonal complement of T with respect to the Killing form of g, and a, b 6 T a fixed regular elements.

设G为半单矩阵群，g为其Lie代数，T(来源：ABC论文91网www.abclunwen.com)为g的极大交换子代数，T~⊥为T关于g的Killing型的正交补，a，b∈T为固定正则元。

The haplotype diversity index of of Bronze gudgeon in the lower reaches of the Yangtze River was 0.6071,which revealed a lower genetic diversity in mtDNA.

长江下游铜鱼线粒体DNA单倍型多样性指数为0.6071，线粒体DNA遗传多样性较低。

This article high accuracy, good dynamic performance, the working frequency band of the Hall voltage and current sensors, and the American Analog Digital introduced single-chip high-speed 12-bit successive comparison converter AD574, as well as RS485 and other communication devices designed a set of electrical quantities collection and monitoring system.

本文将精度高，动态性能好，工作频带宽的霍尔电压，电流传感器，与美国模拟数字公司推出的单片高速12位逐次比较型转换器AD574，以及RS485通讯器件等设计了一套电气量采集与监控系统。

The phylogenetic analysis of 22 ND4L sequences of Phocidae from GenBank showed that there are two clades (which belong to Northern Group and Southern Group) supported by relatively high bootstrap value and there are more closed relationship between spotted seal and harbor seal.17 haplotypes with 717bp were obtained from the mtDNA control region, adjacent proline and a portion of the threonine tRNA genes of 46 individuals.

利用从GenBank中下载的22个海豹科动物的ND4L基因序列的系统进化分析表明，海豹科动物分为南半球和北半球两大类群，斑海豹与港海豹为北半球种类，亲缘关系最近。从46个辽东湾斑海豹线粒体DNA控制区和苏氨酸及脯氨酸tRNA基因717bp片段的测序，得到17个单倍型。

The mating type gene is inherit decision factor of compatibility with the performance type,P.ostreatus belongs to sexual reproduction heterothallism,tetrapolarity,Namely the colony which is consist of single spore mycelium will self-sterility,If conjugate sex gene with all for incompatibility,then crossing can dicaryotization and form sporophore.

交配型基因是性亲和表现型遗传决定因子，平菇为有性生殖异宗配合四极性类型，即单孢形成的菌落自体不育，不同单核菌丝在配对基因皆为杂交结合时才能双核化，形成子实体。

The main research work and contributions are as follows.(1) Based on the observation that the hierarchical mobility management model brings many benefits in handling unicast routing, a hierarchical mobile multicast routing protocol is proposed.

本文的主要贡献和创新点如下：(1)针对层次移动管理模型处理单播路由表现出的灵活性，提出了一种自适应的层次型移动组播路由方法。

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。