Our products are of better quality than from other countries.
A.this
B.that
C.those
D.it
- · 有5位网友选择 C,占比50%
- · 有2位网友选择 D,占比20%
- · 有2位网友选择 A,占比20%
- · 有1位网友选择 B,占比10%
A.this
B.that
C.those
D.it
A unity feedback control system has a plant transfer function:(1)We desire to attain a steady-state error to a unit ramp input of less than 0.0001; (2) And we desire to have a phase margin of. Determin a phase-lead compensator for this system. Draw the Bode plot of the system before and after the phase-lead compensator being added. (提示:在设计超前网络时,最大超前相角比期望的最小相角大10°)
A、request
B、respond
C、answer
D、return
Less than twenty percent of the employees in their company are women.That is to say,women are in the____.
|
A、A differ
B、B compete
C、C differentiate
D、D compare
A、A copy…off
B、B send…off
C、C break…off
D、D rip…off
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