... 2.11 初始应力(地应力) primary stress 2.12 围岩应力(二次应力) surrounding rock stress 2.13 冒顶 fall of ground ...
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If it is displayed on such occasions, do not allow the flag to fall to the ground, but let it be carried high up in the air to form a feature of the ceremony.
如果在这种场合展示国旗,不要让国旗掉到地上,而是让它高高地悬在空中以构成仪式的特色。
Vast numbers of them fall on the ground beneath the mother plants.
它们中有很多都落在植物母体下方的地面上。
Galileo was not merely ambitious when he dropped objects of varying weights from the Leaning Tower at Pisa and timed their fall to the ground.
伽利略从比萨斜塔上扔下不同重量的物体,并计算它们的下落时间。他要实现的不仅是他的勃勃雄心。
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