infelction exam in physics

编写一个算法,输出一个二叉树的所有叶子结点,并统计叶子结点个数-The preparation of an algorithm, the output of a binary tree of all the leaf nodes, and the statistics the number of leaf nodes

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说明：  在船舶有风浪干扰下的航向保持控制器设计，干扰为五级风浪流，最终效果良好(The design of course-keeping controller under the disturbance of wind and wave on the ship. The disturbance is five-stage wind and wave, and the final effect is good.)

One program to simulation light passing through a glass sphere. It is interesting and can be used in geometric optics.

一款jQuery键盘输入登录后台系统代码，该登录界面，简洁设计(A jQuery keyboard input login background system code, the login interface, concise design)

魔方 OCR 文本 3.03 查找图像中的信件和将它转换为文本 这是使用 delphi 源代码代码 OCR 文本识别。

一款四轴无人机开源代码，包括pid控制等内容(Open Source Code for a Four-Axis UAV)

说明：  无线充解码程序 程序包含无线充解码过程 异常处理(Wireless charging and decoding program)

说明：  python代码实现的LOF算法代码(为什么会有人去做这么无聊的事情呢。。。）(Python code implements LOF algorithm code. (Why would anyone do such a boring thing?))