(a) "Risk of causing significant transboundary harm" includes risks taking the form of a high probability of causing significant transboundary harm and a low probability of causing disastrous transboundary harm;
(a) "造成重大跨界损害的危险"包括造成重大跨界损害的可能性较大和造成灾难性跨界损害的可能性较小的危险；