The molecular structures, relative stabilities, dipole moments and rotational constants of HC 3N, HC 5N and their isomers are calculated by B3LYP/6 311++G ** .
运用密度泛函理论 (DFT)中的B3LYP方法 ,计算了星际尘埃HC3 N ,HC5N分子及它们的同分异构体的分子结构、相对稳定性、偶极矩、转动常数等 。
In the paper,we determined the fine-stuture components of the spectral band (0-0) inCN,calculated the rotational constants B and the equilibrium intemuclear distance re.
本文测定了CN分子（0-0）谱带精细结构，计算了转动常数B和核间平衡距离re，并给予讨论。
Microwave spectroscopist have determined the rotational constants for many molecules.
微波波谱学家已经确定了许多分子的转动常数。
engine turning at peak revolution
最大转数旋转的发动机
Usually the machine function, such as a drilling operation, is also activated at each point by command from the NC program.
通常,数控程序指令在每一个点位启动机器运转,如钻削加工。
Research on Identification of Rotor Time Constant Based on Adaptive Flux Observer
基于自适应磁通观测器的感应电动机转子时间常数辨识研究
The automobile engine faltered.
自动引擎运转不正常
constant flow hydraulic power steering gear
常流式液压动力转向器
hydraulic constant flow type power steering
液压常流式动力转向
constant pressure hydraulic power steering gear
常压式液压动力转向器
NC power driver turret-head
数控电动自动转塔刀架
He is not a good driver and often idles the enginge down.
他不是个好司机，常常让发动机空转。
do a pirouette, usually as part of a dance.
以脚尖旋转，常常作为舞蹈的一个动作。
Effects of Amlodipine Tablets(Norwasc) on the Day-Night Rhythm of Blood Pressure and Ambulatory Arterial Stiffness Index in the Elderly with Essential Hypertension
氨氯地平对老年高血压患者血压昼夜节律和动态动脉硬化指数异常的逆转作用
aided tracking time constant
半自动跟踪时间常数
increase the number of rotations per minute.
加快每分钟转动的次数。
automatic data editing and switching system
数据自动编辑转接系统
engine mission meter
发动机变速箱转数计
engine mission gauge
发动机变速箱转数表
planned days of turnover of current capital
流动资金计划周转天数