Billy, please determine the direction of the magnetic field caused by the current passing through the top section of the solenoid where all of the currents are out of the screen.

比利，请确定电流通过螺线管顶部时产生的磁场方向，所有电流都从屏幕流出。

The pillar is still in its original location, but the top section of the column – which  has since become the national emblem of India – is on display in the Sarnath Museum.

柱子仍在原来的位置，但柱子的顶部——后来成为印度的国徽——在鹿野苑博物馆展出。

A second experiment showed they could even take into account a barrier in the middle of the jar, looking for the jars with the highest proportion of black tokens in the top section and ignoring the rest.

第二个实验表明，他们甚至可以考虑罐子中间的障碍物，寻找顶部黑色标记比例最高的罐子，而忽略其余部分。

You can see the cables let go from Tower 4, the platform swinging downward, the support cables crashing through the suspended catwalk, and the top section of Tower 4 breaking off from the unbalanced force of the backstays.

您可以看到缆索从 4 号塔上松开， 平台向下摆动，支撑缆索冲破悬空的过道，4 号塔的顶部因后拉索的不平衡力而断裂。