• You have a nice grid pattern and you can use a city block metric to add up the number of blocks between people's doors.

    整个城市呈格网状,你可以数数,人们相隔多少个街区。

    耶鲁公开课 - 心理学导论课程节选

  • Having reached the end of the block, go back up and check the test.

    执行到了这块代码的最后,程序会回去再做一次测试。

    麻省理工公开课 - 计算机科学及编程导论课程节选

  • So, what you do is you set up a couple of displays, one where the block is stopped, the other one where you take this away with a trap door and it keeps going.

    所以,你可以设计几个演示,一个是木块被挡住了,另一个是用活门把木块挪开,使得屏板继续上升

    耶鲁公开课 - 心理学导论课程节选

  • Well, this block here on the left that I came counter counter=0 up with arbitrarily sets a variable called counter equal to 0 and then it forever says that counters value 1 and then it changes the counter by 1.

    大家看一下左边的这一段代码,其中有一个随便定义的变量,它会一直显示counter的值,每显示一次,counter加。

    哈佛公开课 - 计算机科学课程节选

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