Particles placed at the top of either slope would fall down to the bottom under the pull of gravity. Particles placed at the bottom of either slope would go nowhere.
在重力的拉动下，放在任何一个斜面顶部的粒子都会滚到底部，而放在底部的粒子会保持不动。
A series of whirling discs arranged into a steep slope carries the lighter goods-mainly paper-upwards but allows heavier ones to fall.
在斜道上，比较轻的——主要为纸张，在一系列转动圆盘的作用下往上走，而重的物体则往下落。
Human disturbance, slope aspect, the density of fall log and stub and rock percent sum up the main habitat characteristic of the forest musk deer.
林麝生境的主要特征表现为人为干扰、坡向、倒木和树桩密度、基底岩石面积比等方面。
To take into account their personal safety, do not easily fall of the slope, uneven ground or slippery office wear walking.
为顾及个人安全，请勿在容易跌倒的斜面、不平地面或湿滑处穿著行走。
Now the reinforcement of the tomb pit slope is finished, the surface strength of rock slightly increases, and the case of rock fall decreases significantly.
目前墓坑边坡加固已经完成，岩石表层强度有所增加，而碎石崩塌现象明显减小。
During the test, the four models were taken into account, (1) water filled in back fissures, (2) front flood fluctuation, (3) rain-fall on slope surface, and (4) combination of above three models.
在试验过程中，主要考虑了4类模型：(1)后缘裂隙充水模型；(2)前缘洪水涨退模型；(3)坡面降水模型；(4)各种补给并存模型。
During the test, the four models were taken into account, (1) water filled in back fissures, (2) front flood fluctuation, (3) rain-fall on slope surface, and (4) combination of above three models.
在试验过程中，主要考虑了4类模型：(1)后缘裂隙充水模型；(2)前缘洪水涨退模型；(3)坡面降水模型；(4)各种补给并存模型。
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