题目内容
参与休克初期微循环变化的体液因子主要有
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Do the research to identify the technology and methods, result in a detailed design specification describing the features the new product should have.
The designers choose a method of circuit construction as well as the parts and components to be used.
Then the designers research the specifications of components and interaction between components (especially timing and loading ), calculate the component values to meet the operating specifications.
During the design of the circuit, some portions of circuit may have been tested by simulation or breadboarding.
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