• 扩大场地

extend forvt.延续extendv.延伸；延长；伸展；扩展；提供；使竭尽全力extended-duration principle延时原则extended end plate connection外伸端板螺栓连接extended memory specification扩充内存规范Extended the radio antenna.把收音机的天线拉到最长extended coverage endorsement扩展保险责任批单,延期承保批单extended homogeneous capacity齐次扩容extended interaction klystron分布作用速调管extending in adit development平硐开拓延伸extended equal area criterion扩展等面积定则extended point transformation开拓的点变换