1.
a nontechnical unit of force equal to the mass of 1 pound with an acceleration of free fall equal to 32 feet/sec/sec.
非技术性力的单位等于一磅的质点发生自由落体加速度（英尺每平方秒）的力量。
2.
To descend nose down at an acceleration usually exceeding that of free fall.
通常以远大于自由落体的加速度下滑.
3.
Intelligent System of Acceleration of Gravity Measuring Instruments Using Free-fall Method
自由落体法测重力加速度的智能系统
4.
To descend nose down at an acceleration usually exceeding that of free fall.Used of an airplane.
（飞机）俯冲通常以远大于自由落体的加速度下滑。用于飞机
5.
This is equal to the free-fall acceleration at a height of 300 km above the earth.
这是在地面上空300km处自由下落的加速度。
6.
The law of freely falling bodies is stated as follows:in the absence of air the speed of a falling body does not depend on the body's weight, but only on the time of the fall.
自由落体运动定律可叙述如下：如无空气，落体的速度不取决于其重量而只取决于下落的时间。
7.
At the same point on the earth's surface all bodies fall freely with the same acceleration g.
在地球表面的同一位置上，任何物体都以同一速度g自由下落。
8.
Any of various similar unpowered devices that are used for retarding free - speeding or free - falling motion.
缓降物用于阻碍加速前进或自由落体运动的几种类似无动力装置中的一种
9.
Solving the real-time velocity/acceleration in machining a free-form surface with a parallel robot
求解并联机器人加工自由曲面的实时速度/加速度
10.
Measurement method for smoke exhausted from vehicle with diesel engine at free acceleration--Filtermeter
GB/T3846-1993柴油车自由加速烟度的测量滤纸烟度法
11.
Diesel engines--Exhaust smoke measurement method at free acceleration
GB/T9487-1988柴油机自由加速排气烟度的测量方法
12.
These butylraidicals bring about a rapid polymerization of styrene.
这些丁基自由基促使苯乙烯聚合速度加快。
13.
Rapid Solidification of Undercooled Water and Alloy during Acoustic Levitation and Free Fall;
声悬浮和自由落体条件下深过冷与快速凝固研究
14.
Rapid Solidification of Ternary Cu_(60)Sn_(20)Pb_(20) Monotectic Alloys during Free Fall
自由落体条件下三元Cu_(60)Sn_(20)Pb_(20)偏晶合金的快速凝固
15.
Rapid solidification of ternary Ni-Pb-Cu monotectic alloy under free fall conditions
自由落体条件下三元Ni-Pb-Cu偏晶合金的快速凝固
16.
A body falling from rest has a speed of 9.8m/s at the end of the first second.
一个由静止状态下落的物体在第一秒末的速度是9．8米／秒。
17.
a parachute used to decelerate a fast-moving object.
用于减小落体速度的降落
18.
The force of gravity is such that it produces an acceleration of about 32 feet per second for every second that an object falls.
重力使物体每降落一秒钟产生大约每秒32英尺的加速度。