题目内容

在负阻振荡器中，LC回路耗损的能量被负阻器件产生的（）能量所补偿掉了.

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POS交易凭证因卡纸未打印出时，可调整好打印机，然后选择（）功能处理。

A. 查流水
B. 签到
C. 柜员
D. 重打印

钢轨焊接焊接作业轨温应不低于（）℃，且应避免大风和雨雪等不良天气。

Company.com has decided to use the FUBAR Application Server to host their web application. Unfortunately， the FUBAR Application Server uses the server machine’s file system for its JNDI namespace. Every JNDI lookup performed in the web application is translated into a file 1/0 operation， which results in very poor performance. Which J2EE pattern can help with this performance issue？（）

A. Transfer Object
B. Service Locator
C. Intercepting Filter
D. Model-View-Controller

郁金的产地加工要求（）

A. 略蒸后晒干
B. 采后直接晒干
C. 蒸或煮至透心、晒干
D. 阴干
E. 堆至"发汗"后晒干