1.
Improvement of Measuring Liquid Viscousity Coefficient Experiment by Using Falling-ball Method;
落球法测定液体粘滞系数实验的改进
2.
The operating skills in determination the viscosity coefficient of liquid by falling-sphere method
落球法测定液体粘滞系数实验设备的操作技巧
3.
Application of Falling Ball Method in Testing the Impact Property of Thermoset Molding Composite
落球法测热固性模塑料冲击性能的研究
4.
Discuss the Problems in the Experiment during which Viscosity Coefficient of Liquid is measured by Method of Falling Ball
落球法测量液体粘滞系数实验中问题的讨论
5.
Time needed for reaching constant speed when measuring liquid viscosity using falling-ball method
探究落球法测液体黏度实验中小球达匀速运动所需的时间
6.
The Method of Drawing the Landing Area of Shot and Discus and Its Calculation;
铅球、铁饼落地区的一种画法和计算
7.
The Experimental Study on Training Method of 12 Areas Placement in Table-tennise;
乒乓球12区落点训练法的实验研究
8.
A method of starting play in ice hockey, lacrosse, and other games in which an official drops the puck or ball between two opposing players who contend for its control.
开球在冰球、曲棍球和其它的比赛中开赛的一种方法，一个官员将冰球落在两个争球的对手之间
9.
The ball landed on number 21.
球落在了21号上。
10.
kicking in which the football is dropped from the hands and kicked before it touches the ground.
在球未落地以前让足球从手或脚落下的踢球。
11.
A serve or return that falls out of bounds in a court game.
界外球网球比赛中落入球场外的发球或回球
12.
dropping the ball (in baseball or football).
使球落下（在篮球或足球中）。
13.
A net ball is when the ball hits the net,but doesn't go over it.
落网球就是发球时球触网而没过网。
14.
(football) a person who kicks the football by dropping it from the hands and contacting it with the foot before it hits the ground.
（足球）在球落地前用脚踢中球的人。
15.
Los Angeles Galaxy
美国落杉矶群星队（足球）
16.
That's their fifth net-ball.
那是他们第五个落网球。
17.
up and down glass ball system
上抛和下落玻璃球系统
18.
The balloon burst and fell to earth.
气球炸了,落到地上。