We're in the process of switching over to a new system of invoicing.

我们正在转用新的发票制度。

《牛津词典》

Due to the overhead involved in context switching to a thread or process for any amount of work, systems with small-scope granularity are often inefficient and suffer from low performance.

由于任意工作量的一个线程或进程的上下文切换涉及到的开销较大，小粒度级的系统往往效率低下且遭遇低性能问题。

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This avoids network latency and the overhead of inter-process communication, as well as context switching in the operating system, further contributing to extreme speed.

这样就能够避免网络延迟、进程间通信的开销以及操作系统中的上下文切换，从而进一步提高速度。

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The US Government, which has previously been in charge of internet naming policies, is in the process of switching those duties to I-Cann.

BBC: Palestinians secure cyber state

Rather than a required step in publishing, editorial is in the process of switching from an imposed step by publishers to an optional step by authors.

FORBES: If an independent author can make big money, what's the point of publishers?

But he's also in the process of switching over 68 application servers from NT to Unix.

CNN: Some see ploy in Microsoft NT rename