one the other hand

On the one hand, if the body doesn't have enough cholesterol, we would not be able to survive. On the other hand, if the body has too much cholesterol, the excess begins to line the arteries.

一方面，如果体内没有足够的胆固醇，我们就无法存活下去。另一方面，如果体内胆固醇过高，多余的胆固醇就会附着在动脉内壁上。

He listened in silence as Niccolini rattled on, emphasizing his remarks with one hand and steering with the other.

尼科利尼喋喋不休讲个不停，一只手比划着以示强调，另一只手握着方向盘，而他则安静地听着。

On the one hand, the signals can be counted, one the other hand, they are input to A/ D for interpolation.

正余弦信号一方面用于脉冲计数，另一方面用于输入A/D转换器进行插值。

One the other hand, computer security engineer David Seidman explains that the chances of being targeted on a random hotspot is unlikely:

不过另一方面，计算机安全工程师大卫·塞德曼则表示，通过随机热点而被当做黑客目标是不太可能的：

On one hand, it provides friendly interface to achieve the man-machine interactive function. One the other hand, it provide orders for the lower computer through serial communication in order to achieve the positioning function.

该模块一方面为系统提供了友好界面，达到了人机交互功能；另一方面通过串口通信为下位机提供命令，使下位机按指令完成穴位定位功能。

She struck a pose, one hand on her hip and the other waving an imaginary cigarette.

她摆了个姿势，一只手叉腰，另一只手夹着一支假想的香烟。

Almost everybody had a cigarette in one hand and a martini in the other.

几乎每个人都是一手夹着香烟，一手端着马提尼酒。

On the one hand they'd love to have kids, but on the other, they don't want to give up their freedom.

一方面，他们想要孩子，但另一方面，他们又不想放弃自由自在的生活。