d in extraordinary circumstances requiring immediate action by the board and otherwise as provided in this contract the chairman and the vice chairman acting jointly may call an emergency meeting of the board d
在需要董事会立即采取行动的特殊情况下，以及本合同规定的其他情况下，董事长和副董事长可共同召开董事会紧急会议
以上为机器翻译结果，长、整句建议使用 人工翻译 。