F(n)=1n>8n<12F(n)=2n<2F(n)=3n=6F(n)=4n=other使用+-*/和sign(n)函数组合出F(n)函数sign(n)=0n=0sign(n)=-1n<0sign(n)=1n>0
F(n)=1n>8n<12F(n)=2n<2F(n)=3n=6F(n)=4n=other使用+-*/和sign(n)函数组合出F(n)函数sign(n)=0n=0sign(n)=-1n<0sign(n)=1n>0
以下程序段的运行结果是______。a=0if a <; 0: sign="-"else: sign="+"print (sign) A: + B: - C: sign D: 无输出
以下程序段的运行结果是______。a=0if a <; 0: sign="-"else: sign="+"print (sign) A: + B: - C: sign D: 无输出
SIGN(-0)的函数值为().
SIGN(-0)的函数值为().
当t>0时，sign(t,0)的值保持为1。
当t>0时，sign(t,0)的值保持为1。
Which of the following is not pyramidal sign? A: Gonda sign B: Hoffmann sign C: Babinski sign D: Chaddock sign E: Oppenheim sign
Which of the following is not pyramidal sign? A: Gonda sign B: Hoffmann sign C: Babinski sign D: Chaddock sign E: Oppenheim sign
Mary______ as an office receptionist with China Airlines. A: sign in B: sign to C: sign up D: sign at
Mary______ as an office receptionist with China Airlines. A: sign in B: sign to C: sign up D: sign at
当t小于等于0时，sign(0,t)的值保持为零。
当t小于等于0时，sign(0,t)的值保持为零。
Those graduate students who are interested in taking part in it may ______ the monitors of their classes. 未知类型：{'label': 'questionDesc', 'content': '请结合译文将写作模板句补充完整：', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '英语一2010年小作文', 'isMemberControl': 0, 'type': 181} A: sign up with B: sign up C: sign
Those graduate students who are interested in taking part in it may ______ the monitors of their classes. 未知类型：{'label': 'questionDesc', 'content': '请结合译文将写作模板句补充完整：', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '英语一2010年小作文', 'isMemberControl': 0, 'type': 181} A: sign up with B: sign up C: sign
They managed to ___ all the best performers. A: sign B: sign up C: sign up for D: enter for
They managed to ___ all the best performers. A: sign B: sign up C: sign up for D: enter for
超级画板中，符号函数sign(a,b)返回的值可能是（） A: 1 B: 0 C: -1
超级画板中，符号函数sign(a,b)返回的值可能是（） A: 1 B: 0 C: -1