ring-down system

The results indicate that the kind and position of the substituents in aniline ring greatly affected the conjugation system and coplanarity of the products.

结果表明，苯环上取代基的种类及位置对化合物分子的共轭体系及共平面程度有较大影响。

It is considered that unpneumatic compacting spinning can save final cost by saving airflow cost, but compacting effect of unpneumatic spinning system is worse than that of pneumatic spinning system, roller spinning system and grid ring system.

认为非气流集聚型紧密纺纱系统虽可省去气流消耗而节约成本，但集聚效果不及气流集聚系统中的罗拉集聚和网格圈集聚。

The water filling and pressure maintaining system mainly included: pressure pump and its control device, blockage end at the spiral case inlet, sealing ring on the stay ring of turbine, etc.

蜗壳内充水保压系统，主要包括加压水泵及其控制装置、蜗壳进口闷头、座环密封环等组成。

Nervous system of Onchidiidae is compsed of a esophageal nerve ring and mouth ball ganglia, and on the esophageal nerve ring attached to a thin white vagina fibrosa with connective tissue.

4种石磺神经系统都是由食道神经环和口腔神经节构成，在神经环上附着一薄层白色稍透明的结缔组织纤维鞘。

Design of ring laser resonator for dimer vapor with three-level system

用于二聚物三能级蒸气激光系统的环形谐振腔设计

Jilin University Distributed Computing System ( JDCS) is a local area ring network similar to the famous Cambridge ring.

吉林大学分布式计算机系统JDCS是一种类似于著名的剑桥环的环形局域网。

The effect and its optimization of ring beam in soldier pile support system in deep excavation is analyzed which includes the mechanism of the optimal section design of ring beam as well as the relationship between length of pit and ring beam effect.

从圈梁作用机理、圈梁截面优化、圈梁效应与基坑边长的关系三方面对基坑支护桩结构圈梁进行优化设计。

The in-phase signal of beam bunch is obtained by dividing the reference signal from the storage ring's RF system.

激励信号产生的过程是：将取自储存环高频系统的信号进行分频，得到束团同步信号；

Thermodynamic System Analysis of Friction between Piston Ring and Cylinder

内燃机活塞环&缸套摩擦热力学系统的分析

The more effective theoretical models had early model of working memory, and the working memory was divided into 3 parts: vision space template, phone ring and central performance system;

较有影响力的理论模型有早期工作记忆模型，它将工作记忆分成3部分，视觉空间模板、语音环及中央执行系统；