一个三极管接在电路中,看不出它的型号,也无其它标志,但可测出它的三个电极的对地电位,分别为VA=-9v,VB=-6v,VC=-6.2v,则A端是()。 集电极。 基极。 发射极。
A customer has a development environment that uses the auto-deployment feature. The customer claims the application is not redeployed even if the new version is copied to an application subdirectory. Which two parameters of the configuration should you check?() Check if archive file in the compressed version has a new REDEPLOY file. 。 If server was started in the Development Mode. Auto-deployment is not supported in production mode. 。 If the application includes an EJB 3 module. Auto-deployment is not supported for EJBs.。 You change JVM from HotSpot to JRockit. Auto-deployment is not supported in HotSpot auto deployment. 。 If the domain is a single-server domain. Auto-deployment is not supported in multiserver domains.。
相同条件下放坡开挖沟槽,可采用最陡边坡的土层是()。 经井点降水后的软土。 中密砂土。 硬塑黏土。 硬塑粉土。
You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value?() A。 B。 C。 D。
盛装腐蚀性气体的钢质焊接气瓶每()年检验一次,使用寿命12年。 2。 3。 4。 5。
屋面防水等工程施工完成后必须保证足够的排水坡度(1.5%-3%),确保排水顺畅。不得有积水、()现象。