統一土壤分類法

土壤分類

土壤分類:1.USDA: 美國農業部三角座標分類法(Triangular Textural Classification System of U.S. Department of Agriculture),以砂土百分比為左上方之座標繪左上到右下之直線(↘)、以沈泥百分比為下方之座標繪左下到右上之直線...

USC Maps

Ever got lost around campus? Friends talking about this great place, but you don't know where it is? This great app will help you find it right aw...

Ping Pong 2d Remake

Ping Pong 2d Remake é uma recriação fiel de um dos maiores clássicos desde o surgimento dos jogos digitais.注意使用時間,避免遊戲沉迷本遊戲部分內容或服務可能需要另行支付其他費用Agora co...

Ukulele Teacher

Free online ukulele lessons - fully edited, fully HD, fully interactive!You WILL be able to play a song after your first lesson!免費玩Ukulele Teacher APP...