如果我透过窗户看你，物体在一些轨道上，有上升和下降，也有水平运动。
If I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.
观察上升和下降的星对是一个很好的技巧。
Looking at rising and setting star pairs is a good technique.
一万年的树木年轮显示，碳14水平大约每420年上升和下降一次。
Ten thousand years of tree rings show that the carbon-14 level rises and falls about every 420 years.
飞机从一个地面信标到下一个信标曲折飞行，在每一阶段都要经过地面的许可才能上升和下降。
Planes must zigzag from one ground beacon to the next, and ascend and descend in steps at each stage obtaining permission from the ground.
为什么我要跳转上升和下降和尖叫？
看水柱的上升和下降的音乐。
测量值可能上升和下降。
研究了一种变质量柔绳上升和下降的运动规律。
上升和下降的统计数据貌似孤立存在实则密切相关。
The statistics of rise and fall seem to exist in isolation but closely related to one another.
大桨的螺距角度是由倾斜盘的上升和下降动作控制的。
The main blades pitch Angle is controlled by the up and down movements of the swashplate.
趋势跟踪致力于捕获市场上升和下降趋势的大部分利润。
Trend following seeks to capture the majority of a market trend, up or down, for profit.
而有些文章则具有更强的持久性，上升和下降都较为平缓。
Others had more staying power, rising and falling more gently.
过度或突然扭可损害肌肉上运行的上升和下降，你的背部。
Overuse or sudden twisting can injure the muscles that run up and down your back.
的上升和下降的统计数字似乎是孤立存在的，而是与对方。
The statistics of rise and fall seem to exist in isolation but closely related to one another.
短语“牛市”与“熊市”描述了股市里上升和下降的走势。
The term "bull market" and "bear market" describe upward and downward movements in stock market.
由于水上升和下降的瓶子的颈部，用橡皮筋，庆祝新的水平。
As the water rises and falls in the neck of the bottle, use the rubber band to mark the new level.
当炮弹在空气中运动的时候,其上升和下降的曲线形状几乎一样。
The shape of the curve when its falls is almost the same as the shape of the curve when its goin up into the air.
天气我们所知道的也发生在对流层的地方，在上升和下降通过空气对流。
Weather as we know it also takes place in the troposphere, with the rising and falling of air through convection.
目前以这种方式收集将交流，也就是说，改变方向，上升和下降的价值。
Current collected in this way will be alternating, that is, changing in direction and rising and falling in value.
成员数目的BUFORA及其他可能飞碟团体上升和下降的数量的报告。
The number of members of BUFORA and possibly other UFO organisations rises and falls with the number of reports.
然而，利润会因为经济体健康等与管理努力毫不相干的种种原因而上升和下降。
Yet profits rise and fall for reasons which have nothing to do with managerial effort, such as the health of the economy.
阿尔塔蒙特·斯普林斯的命运，像奥兰多，有上升和下降与经济的繁荣和萧条。
The fortunes of Altamonte Springs, like those of Orlando, have risen and fallen with the economic boom and bust.
他知道，气候变化有它自然的上升和下降影响着这种趋势，而且寒冷也会突然到来。
He knows that the climate has natural ups and downs imposed on such trends, and that cold snaps happen.
他知道，气候变化有它自然的上升和下降影响着这种趋势，而且寒冷也会突然到来。
He knows that the climate has natural ups and downs imposed on such trends, and that cold snaps happen.
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