查询词典 heavier-than-air

How can you find the ball that is heavier by using a balance and only two weighings?

你怎么能找到球重使用一种平衡，只有两个称量？

How can you find the ball that is heavier by using a balance and only two weighings?

要求你只使用2次天平将这个重一点的球找出来，你会怎么做？

How can you find the ball that is heavier by using a balance and only two weighings?

怎样能够用天平仅称两次将那个重一些的球找出来。

How can you find the ball that is heavier by using a balance and only two weighings?

你有八个球，其中7个重量完全相同，只有一个稍重一点，你怎么能用一个天平只称两次，从而找到那个稍重的球呢？

How can youfind the ball that is heavier by using a balance and only two weighings?

怎样能够用天平仅称两次将那个重一些的球找出来。

Find an upper bound on the number of balls n so that k weighings will find the counterfeit ball and correctly declare it to be heavier or lighter.

1求n的值的上限，以至于k次衡量后就可以确定是否有1个有问题的球，并且知道其是轻还是重。(2)当k=3且n=12时，如何称量这批球？

Psi flanges · Thermal insulated vessels · Custom unit sizes · Custom-designed to meet your specifications · Special sizes, wattages, and materials are available upon request · Units are available with larger vessels and heavier flanges · Can be supplied with stainless steel parts and special design terminal boxes for heat protection and use in high temperature conditions.

防扩散 ·热绝缘容器·定制元件尺寸·可提供特殊规格，瓦数和材料·两款产品具有较大的容器和重法兰·可供应不锈钢零件和特殊设计的热箱，在高温条件下使用。

While the majority of people are unaffected by typhoons, others pay a heavier price.

当大部分的人丝毫没有受到台风影响的时候，其他的人却付出惨痛的代价。

Larger valves with heavier ballsmay use trunnions to help support the ball and prevent damage to soft internals.

带较重球体的球阀可以使用耳轴来帮助支撑球体及防止损伤球体内部的软性组件。

The same task must be done by three to four terriers which are much bigger and heavier.

同样的任务必须由三至四年猎犬这是更大更重。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。