单车试验器进行紧急制动试验时的减压量为（）。 ["60kPa","80kPa","100kPa","170kPa"]
Which two are attributes of iSQL*Plus? （） ["iSQL*Plus commands cannot be abbreviated.","iSQL*Plus commands are accessed from a browser.","iSQL*Plus commands are used to manipulate data in tables.","iSQL*Plus commands manipulate table definitions in the database.","iSQL*Plus is the Oracle proprietary interface for executing SQL statements."]
在播种中白菜类的播种深度要求（）。 ["3～4cm","2～3cm","1～1.5cm","0.5～1cm"]
The ONS 15216 is a 32-channel system. The ONS 15216 OADMs are capable of adding and dropping one， two， or four channels. How are the OADMs provisioned to add and drop specific channels？（） [" The ONS 15216 OADM can be provisioned to add\/drop one， two， or four channels via Cisco Transport Manager （CTM）."," The ONS 15216 OADM consists only of a four-channel module， and the number of ports utilized determines whether it is a one， two， or four channel OADM."," Three separate OADM modules are available for one， two， and four channels. The wavelengths to be dropped and added are programmable via Cisco Transport Manager （CTM）."," The ONS 15216 OADM consists only of a single-channel module. Two-channel and four-channel support is available by stacking the single-channel module."," The ONS 15216 OADM is available in one， two， four channels. There are 32 single-channel OADM modules， 16 two-channel OADM modules， and 8 four-channel OADM modules."]
延边三角形降压启动时，启动电流的表达式为（） ["0.50Iq","0.75Iq","0.43Iq","0.6Iq"]
请描述我们学过的四大类细胞型微生物的个体形态和在固体平板上的培养特征。
