本发明能够防止被动签名设备，如ic卡等在用户毫无察觉的情况下被未经授权地多次调用，从而保证用户对签名的控制。
The invention can prevent the passive sign device as IC card to be unauthorized dispatched which is not aware of user to confirm the control of user on the sign.
本发明公开一种改进型流体贮存器(100)，该流体贮存器设计为在提供高效热交换的同时确保实现较少或无死区或未经过区。
Improved fluid reservoir (100) designs providing for little or no dead volume or un-swept volume while providing efficient heat exchange are disclosed.
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