Rich countries do face hurdles in capitalising on their strengths, however. Trade in services still remains far too restricted, and not only in emerging economies.

然而，发达国家在利用它们的长处方面的确面临一些障碍。

youdao

Generally, disturbance decoupling requires the controlled system should satisfy some certain geometric conditions, which are too restricted for many practical systems.

要达到干扰解耦，一般要求系统满足一定的几何条件。然而这类几何条件对于许多实际系统来说过于苛刻，难以满足。

youdao

Generally, disturbance decoupling requires the controlled system should satisfy some certain geometric conditions, which are too restricted for many practical systems.

要达到干扰解耦，一般要求系统满足一定的几何条件。然而这类几何条件对于许多实际系统来说过于苛刻，难以满足。

youdao