皮皮学，免费搜题
登录
搜题
【单选题】
《GB/T 22918易腐食品控温运输技术要求》中有明确规定。对于冻结的水产品,国际上通行的贮藏温度是-18°C以下,考虑到运输环境的复杂性,允许温度略有上升,但最高不能超过()。A.
- 8 ℃
B.
-1 2 ℃
C.
-15℃
D.
-1 6 ℃
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】An E-MOSFET has values of VGSth = 4 V and IDON = 12 mA when VGS = 10 V. The device is being used in a circuit that has a value of VGS = 6 V. What is the value of ID for the circuit?
A.
13.33 mA
B.
1 mA
C.
1.33 m
D.
0 mA
【单选题】If the memory interface circuit designed based on the 2M × 8b asynchronous SRAM memory chip CY62168G is shown in the figure below, the address range of the memory map is( )
A.
0x10000000~0x103fffff
B.
0x10400000~0x107fffff
C.
0x10000000~0x107fffff
D.
0x20000000~0x207fffff
【单选题】An E-MOSFET has values of = 4 V and = 12 mA when = 10 V. The device is being used in a circuit that has a value of = 6 V. What is the value of for the circuit? ( )
A.
13.33 mA
B.
1 mA
C.
1.33 m
D.
0 mA
【单选题】买家在您店铺里拍下商品并且付款了,在您发货前买家又想申请退款,请问买家什 么时候开始可以申请退款?
A.
买家付款以后就可以申请退款
B.
买家付款后三天内卖家还没点击发货的，买家可以申请退款
C.
买家不能申请退款，只有卖家去点了发货之后买家才能申请退款
D.
买家拍下以后就可以申请退款
【简答题】Fill in the blank and multiple selection (single option) For the second-order RLC parallel, its attenuation factor [mathjaxinline]alpha {
m{ = }}\_\_\_\_\_[/mathjaxinline], free oscillating frequency ...
相关题目：