1、赋值
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(1) 全部赋值:Move <F1> to <F2>.
(2) 部分赋值:Move <F1>[+<O1>] to <F2>[+<O2>].
(3) 组件(字段)复制:Move Corresponding <Str1> to <Str2>.
(4) 传值:WRITE (<f>) TO <g>
2、清值
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CLEAR <f>