So far Sonia____(not write)to me.
将函数y=sin(ωx+φ)(ω>0,|φ|<π2)图象向左平移π12个单位长度后,所得曲线的一部分,如图所示,则ω,φ为( )
读图,有关我国四大工程的叙述,不正确的是
—Sorry, Mum. I ________. I'm doing my homework.
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