BC mode allows certain automatic type conversions to occur, as well as automatic selection of the first member of a node-set.
BC模式允许进行某些自动类型转换和自动选择节点集的第一个成员。
If the BC feature is available, you can set version 1.0 to be in effect for an element with expression evaluation, eliminating worry about type mismatches.
如果支持BC特性，可以设置version 1.0让它在表达式求值的元素中生效，这样就不用担心类型匹配问题了。
BC mode impacts numeric comparisons in two ways: allowing selection of the first member of a set and obtaining NaN for a non-numeric value, rather than throwing a type error.
BC模式对数字比较的影响有两个方面：允许选择集合的第一个成员，对于非数字值返回NaN而不是抛出类型错误。
Tweaking might involve fixing it with the appropriate 2.0 instruction, or (if you have the BC feature) you can just set the version attribute to 1.0 and see what happens.
调整可能涉及到使用适当的2.0指令，或者(如果支持bc特性)将版本属性设为1.0看看会发生什么。
Han emperor five years (BC 202 BC) set high into the county, later known as high-County.
汉高祖五年(公元前202年)置高成县，后称高城县。
Since the Qin Dynasty (221 BC-206 BC), many dynasties have set up administrative institutions that have endowed the city with brilliant cultures.
自秦王朝(公元前221年，公元前206年)，许多朝代都设置有绚烂的文化赋予了这座城市的行政机构。
Since the Qin Dynasty (221 BC-206 BC), many dynasties have set up administrative institutions that have endowed the city with brilliant cultures.
自秦王朝(公元前221年，公元前206年)，许多朝代都设置有绚烂的文化赋予了这座城市的行政机构。
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