In which two locations can library dependencies be defined for a web application? ()
A. the web application deployment descriptor
B. the /META-INF/dependencies.xml file
C. the /META-INF/MANIFESMF manifest file
D. the /META-INF/MANIFESMF manifest of a JAR in the web application classpath
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《规范》规定计算受扭构件承载力时截面的有效翼缘宽度应符合b?f≤b+6h?f及bf≤b+6hf。
A. 正确
B. 错误
织物PH值检验时,国标规定取样重量为(),取样()份,萃取时间(),温度为()。