Currently the IAEA has only limited authority to make challenge inspections of suspected, undeclared nuclear sites.

当前国际原子能机构仅仅对可疑、未清除的核场地进行挑战性检查设立了权限。

youdao

Heads can be replaced but the challenge and the additional cost and expense of doing these inspections is very very great.

头能够被替换，但是挑战，和这个额外的花费已经做这些检查的，费用是非常高的。

youdao

Even challenge inspections would be unable to address this problem, because there are no technical means to locate secret chemical installations.

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The cwc also provides for so-called challenge inspections of undeclared sites--but how can we direct challenge inspections if we cannot detect violations by other means?

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The treaty's challenge inspection provisions are full of holes and, in any event, one cannot use challenge inspections to spot-check a country the size of Iraq, let alone Russia.

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