imperfect number 中文意思是什麼

imperfect number 解釋
不完數
  • imperfect : adj. 1. 不完全的,有缺點的。2. 不完整的,未完成的。3. 法律上不能實施的。4. 減弱的,縮小的。5. 【語言學】未完成體的。n. 【語法】未完成體。adv. -ly ,-ness n.
  • number : n 1 數;數字;〈pl 〉算術。2 (汽車等的)號碼;第…,第…卷,第…期〈通常略作 No (復數 Nos ),用於...
  1. And considering the extremely imperfect nature of the fossil record, chances are that this figure significantly underrepresents the number of apes that actually existed at that time

    由於化石記錄必然是斷爛朝報,這個數字很可能根本不能反映實情。
  2. The object of single photon emission computed tomography ( spect ) is to reconstruct an unknown radioactivity distribution inside the body from projection data consisting of the number of photon collected on a collimated gamma camera. these projections are not simple line integrals but have point - spreads due to the imperfect collimator of the detector and attenuation due to the compton scattering. so

    這種投影數據與透射ct中的數據不同,由於存在著光子的點擴散(由準直器引起)和衰減(由散射引起) ,已經不能用簡單的線積分來描述這個問題,因此相對于透射ct而言,這個領域將面臨很多困難。
分享友人