多管的

Multivibrator, simulation, using the three-tier governing structure, the electronic design has a certain significance.

详细说明：多谐振荡器，的仿真，采用三级管构成，对电子设计方面的人有一定的意义。

One of the paired, flexible, segmented sensory appendages on the head of an insect, a myriapod, or a crustacean functioning primarily as an organ of touch.

触角，触须昆虫、多足纲节肢动物或甲壳类动物头部的一对灵活的管状感觉器官之一，主要为触觉器官

One of the paired,flexible,segmented sensory appendage s on the head of an insect,a myriapod,or a crustacean functioning primarily as an organ of touch.

触角，触须昆虫、多足纲节肢动物或甲壳类动物头部的一对灵活的管状感觉器官之一，主要为触觉器官

Zoology One of the paired, flexible, segmented sensory appendages on the head of an insect, a myriapod, or a crustacean functioning primarily as an organ of touch.

触角，触须：昆虫、多足纲节肢动物或甲壳类动物头部的一对灵活的管状感觉器官之一，主要为触觉器官

A series of 3-naphthyl-2--1,3-thiazolidin-4-ones were synthesized by the three-component one-pot cyclocondensation of naphthylamine, aromatic aldehyde and 2-mercaptoacetic acid using a microwave-assisted method in the presence of DMAP/DCC.

利用微波促进的多组分一锅法，在封管条件下，以萘胺、芳醛和巯基乙酸为原料，4-二甲氨基吡啶/N，N'-二环已基碳二亚胺为催化剂，合成了系列新的噻唑烷酮衍生物，该反应具有时间短、操作简便等优点。

In order to relieve of its harmful effect, a neotype connection device— spherical joint is designed in the paper.

为了消除弯矩的不良影响，本文提出并设计了一种新的联接装置——球铰接头，其设计特点是扬矿管接头没有焊接部件，联接强度高，拆装快捷，可多次重复使用。

Neural tube defect is a muhigenic disease, which results from synergistic action of genetic factor and environmental factor.

神经管缺损属多基因疾病，该病的发生主要是遗传因素和环境因素相互作用的结果。

Aimed at ultra-deep and viscous oil reservoir′s feature in the Tahe Oil-Field, combining blending light dropping viscosity evaluation, utilizing polyphone pipe flow calculation, on the basis of the study of high viscosity oil characteristic and deep well lifting technique, deep well high-viscosity oil blending light dropping viscosity optimum design model is ana.

针对塔河油田超深层稠油油藏的特点，在对稠油特性及深井举升工艺研究基础上，结合室内掺稀降粘评价，利用多相管流计算方法分析深井稠油掺稀降粘优化设计模型，对掺稀降粘工艺在塔河油田的应用在理论上进行了深入分析和评价。

It includes high power high voltage constant-current-charging system, capacitors bank, discharge control system, power supply of preignition for Xe-flashlamps, general control and diagnostic system. The power conditioning system drives flashlamps that pump the SSHCL. Flashlamps are driven by high voltage Silicon Controlled Rectifiers switched, resonant charged, discharge pulse forming network. The system uses microchip and digital circle which is based on CAN-bus for control and diagnostics. Energy diagnosis and thermal management are controlled by computers.

其中大功率高压恒流充电装置采用了L-C串联谐振电路，充电功率大，效率较高；储能装置采用了多节脉冲成形网络，可产生波形良好的强电流放电脉冲；放电控制装置采用高压大功率晶闸管，开关速度快，工作稳定；预燃与触发装置采用了开关电源电路，效率高、功耗小；总控与测量装置采用基于CAN总线的数字电路和单片机技术，控制冷却系统在激光器出光时对脉冲氙灯进行水冷，并对全系统进行控制和状态检测，同时具有过压、过流、过热等保护功能。

Just love PVC pipe because there are so many things you can make from this inexpensive material!

只是爱PVC管，因为有这么多的东西，你可以从这个廉价的材料！。。。

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。