Luyện thi THPT QG 2018
Transactions in measurement and control
Thêm vào BST
Báo xấu
76
lượt xem 23
download
lượt xem 23
download
Transactions in measurement and control
Mô tả tài liệu
Download
Vui lòng tải xuống để xem tài liệu đầy đủ
Our interest in the measurement of air and water flow is timeless. Knowledge of the direction and velocity of air flow was essential information for all ancient navigators, and the ability to measure water flow was necessary for the fair distribution of water through the aqueducts of such early communities as the Sumerian cities of Ur, Kish, and Mari near the Tigris and Euphrates Rivers around 5,000 B.C. Even today, the distribution of water among the rice patties of Bali is the sacred duty of authorities designated the ÒWater Priests.Ó...
Chủ đề:
Bình luận(0) Đăng nhập để gửi bình luận!
Lưu
