dust counting 中文意思是什麼

dust counting 解釋
塵粒計數
  • dust : n 1 塵，灰塵，塵土，塵埃。2 〈英國〉垃圾，廢品；灰燼。3 〈口語〉金粉；粉末，粉劑；花粉。4 〈詩〉...
  • counting : n. 計算。 counting house 〈英國〉＝counting room 〈美國〉賬房；會計室；事務室。 counting overseer [witness] （投票的）唱票監察人。
  1. He walked about the meadow, dragging one leg after the other, making the grass rustle, and watching the dust, which covered his boots. then he strode along, trying to step on the traces of the footsteps of the mowers on the meadow ; or counting his steps, calculated how many times he would have to walk from one boundary rut to another to make a verst ; or cut off the flowers of wormwood growing in the rut, and crushing them in his hands, sniffed at the bitter - sweet, pungent odour

    他在草地上來回走動，慢慢地拖著兩只腳，蹭得地上的草沙沙作響，眼睛盯著靴子上的塵土他有時邁著大步，盡可能踩上割草人留下的腳印，有時數自己的腳步，計算走一俄里要經過多少兩條田壟之間的距離有時采幾朵長在田壟上的苦艾花，放在手掌上揉碎，然後聞那股強烈的甘苦香味。
  2. Standard practice for continuous sizing and counting of airborne particles in dust - controlled areas and clean rooms using instruments capable of detecting single sub - micrometre and larger particles

    使用能檢測單個亞測微計及較大粒子的儀器在控制塵埃區域及無菌區中連續測定空氣中懸浮粒子的大小及計數
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