相反，沙特阿拉伯的核活动是不透明的：尽管原子能机构向沙特阿拉伯提出了各种要求，要求它遵守保障监督制度规定的义务，但沙特阿拉伯没有作出适当回应。
On the contrary, it is Saudi Arabia whose nuclear activities are not transparent; in spite of the various requests made by the IAEA to Saudi Arabia that it comply with its obligations under the safeguards system, Saudi Arabia has failed to respond properly.