三江源区位于青藏高原腹地、青海省南部,为长江、黄河和澜沧江的源头汇水区,总面积36.3万平方千米,约占青海省总面积的50.4%。该区域是长江、黄河、澜沧江三大河流的发源地,被誉为中华水塔,具有青藏高原生态系统和
I\'m just started on playing around with the canvas HTML5-object. For the sake of performance tes开发者_运维问答ts, I have made a little ping pong game.