这部照相机内部有故障保险装置，可以令照相机在未接收到正确信号时无法运行。
The camera has a built-in failsafe device which prevents it from working if the right signals aren't received.
但是最新的建议书也发出了信号，CEIOPS对于保险公司应持有多少资金总量改变了看法。
Yet the latest proposals also signal a change of heart by CEIOPS over how much capital should be held in total.
最后一个信号就是“信贷违约掉期”市场，一个为已发行的债券购买（违约）保险的费用标准。
The final signal is in the credit-default swaps (CDS) market, a measure of the price paid to insure debt issued.
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