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【简答题】
健康行为主要有四类,日常健康行为、保健行为、预防性行为和________。
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皮皮学刷刷变学霸
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【简答题】Basic four operations within a computer ______ .
【简答题】There are three basic operations of logical algebra ________ 、________ 、_________ 。
【多选题】The two basic operations at the DPSK transmitter are ____________.
A.
differential encoding
B.
unipolar nonreturn-to-zero (NRZ) encoding
C.
phase-shift keying
D.
frequency-shift keying
【单选题】As per the standing orders，you should carry out all the following operations except ______ upon having received words that a person has fallen overboard.
A.
call the Master immediately
B.
stop the engines
C.
sound the “Man Overboard” signal of 3 prolonged blasts on the whistle and 3 prolonged blasts on the general alarm
D.
prepare，as many as possible，rescue facilities，including warm clothes
【多选题】The basic morphological operations include:
A.
dilation
B.
shrinking
C.
opening
D.
erosion
【简答题】What are the basic operations of matrices?
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