v. 兴旺，繁荣t__________
v. 兴旺，繁荣t__________
n. 运输；交通运输系统t__________
n. 运输；交通运输系统t__________
n. 技术，科技，工艺t__________
n. 技术，科技，工艺t__________
中国大学MOOC: t__________ r__________ （政府）税收收入
中国大学MOOC: t__________ r__________ （政府）税收收入
vt.使转化，使改观，使改变形态t__________
vt.使转化，使改观，使改变形态t__________
t__________ the value of goods and services that a company sells during a given period of time
t__________ the value of goods and services that a company sells during a given period of time
These operations are a t__________ of modern medicine, with a success rate of more than 90 percent.
These operations are a t__________ of modern medicine, with a success rate of more than 90 percent.
— What’s Mr Wang doing?— He’s t__________ about our exam results with Mrs White.
— What’s Mr Wang doing?— He’s t__________ about our exam results with Mrs White.
求解常微分方程组<img src="http://img1.ph.126.net/B8qMozAYz7oEzmWV3LBSvg==/6597340246519736485.png" />, 应用的语句是? DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},{x,y},t]|DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},x[t],y[t],t]|DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},{x[t],y[t]},t]|DSolve[x'[t]+y[t]=Cos[t],y'[t]+x[t]=Sin[t],{x[t],y[t]},t]
求解常微分方程组<img src="http://img1.ph.126.net/B8qMozAYz7oEzmWV3LBSvg==/6597340246519736485.png" />, 应用的语句是? DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},{x,y},t]|DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},x[t],y[t],t]|DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},{x[t],y[t]},t]|DSolve[x'[t]+y[t]=Cos[t],y'[t]+x[t]=Sin[t],{x[t],y[t]},t]
下述真值表表示的命题是。 Input Output p q r T T T T T T F F T F T T T F F T F T T T F T F T F F T T F F F T
下述真值表表示的命题是。 Input Output p q r T T T T T T F F T F T T T F F T F T T T F T F T F F T T F F F T