为了训练小鼠，实验人员把它放在一个操作性条件反射室：一个一端置有操作杆的塑料箱。
To train a rat, the experimenter placed it in an operant conditioning chamber: a small plastic box with a lever at one end.
以及一端系有集中质量的非均匀弹性杆振动问题。
The vibration of a nonuniform flexible rod connected to a concentrated mass is also solved.
自锁型气弹簧是一种可以在行程任一位置锁定的气弹簧。 在自锁型气弹簧的活塞杆端部有一个针阀打开这个针阀，则自锁型气弹簧可以象自由型气弹簧那样运行；
The piston rod self-locking type gas spring end there is a needle valve open the needle valve is self-locking type gas spring can run as the free type gas spring;
螺柱这里是指适用于中等长度圆柱杆，螺纹在一端有或两端都有，或全螺纹的产品。
The term stud as referred to herein, applies to a cylindrical rod of moderate length, threaded on either one or both ends or throughout its entire length.
探头伸缩杆一端安有超声波传感器、流速测定仪、压力传感器和真空活塞水样采集器。
One end of a probe telescopic rod is provided with an ultrasonic sensor, a flow velocity determinator, a pressure sensor and a vacuum piston water sample collector.
在髓内钉杆近端设置有锁紧螺杆定位螺孔、连接套定位槽。
The locking screw positioning hole and a joint sleeve positioning slot are arranged on the proximal end of the intramedullary nail bar.
讨论并求解了一端系有集中质量再与弹簧连接的均匀弹性杆振动问题； 以及一端系有集中质量的非均匀弹性杆振动问题。
The vibration of a uniform flexible rod connected to a concentrated mass which is further connected to a spring is solved.
讨论并求解了一端系有集中质量再与弹簧连接的均匀弹性杆振动问题； 以及一端系有集中质量的非均匀弹性杆振动问题。
The vibration of a uniform flexible rod connected to a concentrated mass which is further connected to a spring is solved.
应用推荐