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【单选题】
服装经过反复穿着、洗涤、熨烫之后,各种性能指标长期保持,称为服装的( )。A.
顶裂强度
B.
撕裂强度
C.
耐用性
D.
延伸性
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反馈参考答案：
举一反三
【简答题】机床的类别代号中C 代表 （） 。
【单选题】The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of( ).
A.
microprocessor
B.
transistor
C.
chip
D.
circuit
【简答题】试用外径单一循环G90指令编写下图所示工件的加工程序,毛坯为φ50mm棒料,只加工 φ30mm外圆至要求尺寸。
【简答题】A—contract for transfer of technical know-how B—technical documentation C—medium-speed marine engine D—high-speed trains F—joint production G—the balance of foreign exchange H—favorite price I—dispute...
【多选题】Which of the following features belongs to a computer system using independent (standard) IO interface addressing ()
A.
I / O interface address space and memory address space are independent and separate. That is, the I / O interface address does not occupy the memory address space.
B.
The microprocessor manages the I / O devices using dedicated input (IN) and output (OUT) instructions for data transfer.
C.
The CPU uses special I / O read / write control signals for read / write control of I / O devices.
D.
The CPU uses storage unit operation instructions to manage the I / O devices.
【单选题】The following figure shows the circuit diagram of MIPS microprocessor. When the control signal AluSrc is effective, it means that the immediate number in the instruction is extended to participate in ...
A.
valid
B.
invalid
C.
not sure
D.
high Z
【单选题】三相异步电动机稳定工作时负载转矩的大小下列说法对的是( )。
A.
负载转矩一定小于起动转矩
B.
负载转矩一定大于起动转矩
C.
负载转矩可以等于起动转矩
D.
以上说法都对.
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