• 2022-05-26 问题

    用R程序编程求下列的值,正确的命令是 ( )[img=76x44]180398c776266cb.jpg[/img] A: (sin(50*180/pi))^2/(1+ sin(10*180/pi)) B: (sin(50*π/180))^2/(1+ sin(10*π/180)) C: sin(50)^2/(1+ sin(10)) D: (sin(50*pi/180))^2/(1+ sin(10*pi/180))

    用R程序编程求下列的值,正确的命令是 ( )[img=76x44]180398c776266cb.jpg[/img] A: (sin(50*180/pi))^2/(1+ sin(10*180/pi)) B: (sin(50*π/180))^2/(1+ sin(10*π/180)) C: sin(50)^2/(1+ sin(10)) D: (sin(50*pi/180))^2/(1+ sin(10*pi/180))

  • 2021-04-14 问题

    执行如下代码:import turtleturtle.circle(100)turtle.circle(50,180)turtle.circle(-50,180)turtle.penup()turtle.goto(0,140)turtle.pendown()turtle.circle(10)turtle.penup()turtle.goto(0,40)turtle.pendown()turtle.circle(10)turtle.done()在Python Turtle Graphics中,绘制的是

    执行如下代码:import turtleturtle.circle(100)turtle.circle(50,180)turtle.circle(-50,180)turtle.penup()turtle.goto(0,140)turtle.pendown()turtle.circle(10)turtle.penup()turtle.goto(0,40)turtle.pendown()turtle.circle(10)turtle.done()在Python Turtle Graphics中,绘制的是

  • 2022-06-06 问题

    测者纬度φ=40°N,夏至时太阳中天高度为(),中天方位为()。 A: 50°;0° B: 73°.5;0° C: 50°;180° D: 73°.5;180°

    测者纬度φ=40°N,夏至时太阳中天高度为(),中天方位为()。 A: 50°;0° B: 73°.5;0° C: 50°;180° D: 73°.5;180°

  • 2022-06-07 问题

    执行如下代码:‪‬‪‬‪‬‪‬‪‬‮‬‪‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬ importturtle turtle.circle(100) turtle.circle(50,180) turtle.circle(-50,180) turtle.penup() turtle.goto(0,140) turtle.pendown() turtle.circle(10) turtle.penup() turtle.goto(0,40) turtle.pendown() turtle.circle(10) turtle.done() 在PythonTurtleGraphics中,绘制的是‪‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫‫‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫‫‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫() A: 笛卡尔心形‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬ B: 同心圆 C: 太极图 D: 同切圆

    执行如下代码:‪‬‪‬‪‬‪‬‪‬‮‬‪‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‫‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‮‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬ importturtle turtle.circle(100) turtle.circle(50,180) turtle.circle(-50,180) turtle.penup() turtle.goto(0,140) turtle.pendown() turtle.circle(10) turtle.penup() turtle.goto(0,40) turtle.pendown() turtle.circle(10) turtle.done() 在PythonTurtleGraphics中,绘制的是‪‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫‫‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫‫‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫() A: 笛卡尔心形‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬ B: 同心圆 C: 太极图 D: 同切圆

  • 2022-06-07 问题

    中国大学MOOC: turtle.circle(50, 180)的执行效果是()。

    中国大学MOOC: turtle.circle(50, 180)的执行效果是()。

  • 2021-04-14 问题

    RainbowCompanymanufacturespaintintwoprocesses:MixingandCooking.Totalcostsincurredinthemixingandcookingdepartmentsareasfollows:DirectDirectMaterialsLaborMixing$60,000$80,000Cooking$25,000$50,000Indirectmanufacturingcostswere$90,000fortheMixingdepartmentand$180,000fortheCookingdepartment.RainbowCompanymanufacturestwoproducts,SuperiorPaintandDeluxePaint.Costsareallocatedtotheseproductsinthefollowingproportions:MixingCookingDMDLDMDLSuperior60%50%50%40%Deluxe40%50%50%60%Indirectcostisallocatedinproportiontothedirectlaborcostswitheachdepartment.TheCookingdepartmentcostallocatedtoDeluxeis:(2.0分)

    RainbowCompanymanufacturespaintintwoprocesses:MixingandCooking.Totalcostsincurredinthemixingandcookingdepartmentsareasfollows:DirectDirectMaterialsLaborMixing$60,000$80,000Cooking$25,000$50,000Indirectmanufacturingcostswere$90,000fortheMixingdepartmentand$180,000fortheCookingdepartment.RainbowCompanymanufacturestwoproducts,SuperiorPaintandDeluxePaint.Costsareallocatedtotheseproductsinthefollowingproportions:MixingCookingDMDLDMDLSuperior60%50%50%40%Deluxe40%50%50%60%Indirectcostisallocatedinproportiontothedirectlaborcostswitheachdepartment.TheCookingdepartmentcostallocatedtoDeluxeis:(2.0分)

  • 2022-06-17 问题

    热敏电阻测温范围为()℃。 A: -50~150 B: -40~150 C: -60~180

    热敏电阻测温范围为()℃。 A: -50~150 B: -40~150 C: -60~180

  • 2022-05-29 问题

    碳素钢的加热温度上限一般低于固相线的温度() A: 50~100℃ B: 100~150℃ C: 120~180℃ D: 180~200℃

    碳素钢的加热温度上限一般低于固相线的温度() A: 50~100℃ B: 100~150℃ C: 120~180℃ D: 180~200℃

  • 2022-07-25 问题

    正常成年人中轴骨共有( )块。 A: 180 B: 80 C: 120 D: 50

    正常成年人中轴骨共有( )块。 A: 180 B: 80 C: 120 D: 50

  • 2022-06-06 问题

    一般来讲,黄金陈列线是()cm的位置。 A: 140~180 B: 85~140 C: 50~85 D: 10~50

    一般来讲,黄金陈列线是()cm的位置。 A: 140~180 B: 85~140 C: 50~85 D: 10~50

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