1.
The rotary gear reducer is driven by a DC motor through a gearbox to pro-vide bi-directional drill bit rotation.
转动齿轮减速器是由一个直流电机驱动的，通过一个齿轮箱为钻头提供双向转动能力。
2.
Research on the Dynamical Characteristics of Counter-rotating Dual-rotor System;
反向旋转双转子系统动力学特性研究
3.
The Great Transformation:Two-way Movement in China since the 1980s;
大转型:1980年代以来中国的双向运动
4.
Model and dynamic simulation analysis of double front axles steering system
双前桥转向系统建模与动态仿真分析
5.
From one-way communication to two-way interaction:on the transformation of learning way;
从单向传播到双向互动:论学习方式的转型
6.
Self-synchronization Theory of a Vibrating System with Two-motor Drives Rotating in Opposite Directions
反向回转双机驱动振动系统的自同步理论
7.
Frequency Capture of Vibration System with Two-Motor Drives Rotating in Same Direction
同向回转双机驱动振动系统的频率俘获
8.
bidirectional flow
双向流动, 双向流(程)
9.
Instantaneous Turning Center Theory Analysis and the Second Axle Steering Angle Calculation of Dual-front Axle Steering System
双前桥转向系统瞬时转动中心理论分析及二轴转角的确定
10.
Optimal design for Ackerman steering linkage of double-wishbone suspension
双横臂独立悬架转向传动机构的优化设计
11.
The Movement Study of Steering Wheel of Double Wishbone Independent Vehicle;
双横臂独立悬架轿车的转向轮运动研究
12.
The Research on the Influence of Two-Way Referral System between Large Hospital and Community Health Services
大医院与CHS互动模式对双向转诊影响研究
13.
Design of Steering Power Flow for Tracked Vehicles with Power Shift Steering System
履带车辆双流传动液压转向功率流设计
14.
A Kinematic Analysis of Teng Haibin's Backward Giant Swing with twist 360°on Parallel Bars
滕海滨双杠向后大回环转体360°运动学分析
15.
The lateral vibration of a rotor/ bearing system influenced by axial contact between disk and stator are investigated by numerical simulation.
研究轴向摩擦对单跨双盘转子—轴承系统横向振动的影响。
16.
Bi-axes Bending-torsional Coupled Vibration of Euler Bernoulli Beams under Axial Load
轴向受载的Euler-Bernoulli梁的双向弯曲扭转耦合振动研究
17.
dual two trailing shoe brake
双向双从蹄式制动器
18.
dual two leading shoe brake
双向双领蹄式制动器