物標能見距 的英文怎麼說

中文拼音 [wùbiāonéngjiànjù]
物標能見距 英文
range of object
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 能 : 能名詞（姓氏） a surname
  • 見 : Ⅰ動詞1 （看到; 看見） see; catch sight of 2 （接觸; 遇到） meet with; be exposed to 3 （看得出; ...
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  1. Atmospheric attenuation of scene contrast is studied theoretically on the basis of radiometric principles, and the relationships between the measured maximal detection range for a target and visibility distance under two possible conditions are obtained

    根據輻射度學原理，從理論上研究景物對比度在大氣傳輸中的衰減，得到了在兩種可能的條件下所測得的目標最大探測距離與能見距離的關系。
  2. ( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o

    本文研究結果為弱卸荷與弱風化大致對應、強卸荷與強風化大致對應； （ 6 ）巖體是由組成它的巖石與缺陷賦存於一定環境場中的地質體，據此本文將巖體風化細劃為巖石風化與結構面風化，並進而將表徵巖體風化的指標相應地歸結為三個方面來加以研究並應用於工程實踐，這就是：對于巖石風化，主要為礦物的變異程度與風化巖石的物理力學性能研究：雖已認識到風化作用破壞了巖體完整性，但將該理論應用於巖體風化分帶卻不多見，本文即從淺表部位硬性結構面間距、條數、跡長、塊度等隨遠離臨空面的變化規律來研究巖體風化分帶：不同風化、卸荷程度的巖體實際處于不同環境場中，彈性波速變化與特定環境場相對應，因而是反映巖體風化、卸荷的綜合因素。
  3. The theoretical analysis indicates that the main factors of cover - shelter properties of fabrics are cover factor of fabrics, fabric thicknesss, optical reflectance and absorbance of yarn. with a combination of distances and luminaces, 512 experiments were made to find out the relationship between the least distinguishable distance and reflectance coefficient

    通過理論分析，指出了影響織物能見度的主要因素有織物覆蓋系數、織物厚度、紗線的光學反射率和吸收率.將測試距離跟織物前與織物后目標物的照度組合成512項實驗，由此獲得最小分辨距離和反射系數間的關系
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