按密度分級 的英文怎麼說

中文拼音 [ànfēn]
按密度分級 英文
density grading
  • : Ⅰ動詞1 (用手或手指壓) press; push down 2 (壓住; 擱下) leave aside; shelve 3 (抑制) restrain...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  1. Goals of highway network planning, in terms of the total length of the highway network as well as the share of expressway and over class ii highways in the network, were analyzed in chapter two by using of network connection index and analogy methodology. the developing goals of shaanxi arterial highway network were proposed. in the third chapter, the overall arrangements for highway network were studied through the importance index of nodes and links

    通過與世界經濟發達國家的公路網和運輸結構、以及我國其它地區,特別是與陜西省相鄰省(區)的公路網發展水平相對比,根據我國經濟發展「三步走」的奮斗目標,採用連通指標測算和類比的方法,網連通、公路網、人均公路網總里程和單位汽車保有量的公路網總里程指標別進行測算,確定了陜西省的公路網發展目標?公路總里程、高速公路里程和二以上公路佔有率的適當范圍。
  2. Designed so that all particles collected, regardless of physical size, shape, or density, are aerodynamically sized and can be directly related to human lung deposition

    之所以這么設計,是因為所有被採集的微粒(不管體積大小、形狀和怎麼不同)都照空氣動力學原理。這種,直接對應于微粒在人體肺部的沉積情況。
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