An operation of this magnitude is going to be difficult.

一个这么大的手术会很难的。

《柯林斯英汉双解大词典》

Sorting the derived dataset can easily accelerate the overall operation by an order of magnitude or more.

对派生的数据集进行排序可以轻松地使整个操作加速一个或几个数量级。

youdao

But the outcome is far from guaranteed; robots have never been used in an operation of this magnitude nor at this depth - some 5, 000 ft. below the surface of the ocean.

但结果毫无保障，因为机器人从没有用来处理过这么重大的事件，也没有在5 000五千英尺深的水下作业过。

youdao

It is hard fully to calculate the magnitude of the damage done by the pro-Islamist influence operation run by Grover Norquist and his friends.

CENTERFORSECURITYPOLICY: Khan Job