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Toys and games
1) Devices that are used exclusively for recreation and play. Toys are most often used with children and pets and as a medium of education and development. Toys are not always obvious in their nature. A simple bottle can be considered a toy if an individual uses it for recreational use. 2) Games are structural activities used for physical or psychological education. In most cases, games are recreation. However, games can also be considered work. For example, a professional soccer game is a career to the participants.
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分佈曲線
Earth science; Mapping science
線、 連續或折斷,繪製,使它和給定的直線之間的區域是完全 1 任何段第一行的行之間的區域時,直線的頻率的線所代表的數量成正比。或者,它是與相應頻率函數圖。 ...
偶極子天線
Earth science; Mapping science
天線組成的兩個單獨的、 打開行中的結束的導線和短的距離。相鄰的端點連接到無線電接收機或無線電發射機的碼頭。通常稱為偶極子的短時可能不會混淆。偶極天線容易了,輕鬆地豎立,和佔用空間少如果在其中大多數的衛星傳輸頻率進行或接收。 ...
變形曲線
Earth science; Mapping science
代表鏡頭系統引起的線性失真的曲線。被繪製與圖像點從光學軸作為 abscissas 的徑向距離和正確的 (未扭曲) 距離為縱座標從徑向位移。 ...
引水渠
Earth science; Mapping science
(1) 溝興建調水及其自然的通道。(2) 約平行剪切 backslope 防止表層水流過的斜坡的削減,或針對土堤腳的頂部的開放、 人工航道。,其目的是從侵蝕坡防護。 ...