latchstring 中文意思是什麼
latchstring
解釋
（由門外拉開活栓鎖的）栓鎖帶 （draw in the latchstring for 〈美國〉不許自由出入。hang out the latchstring for 允許自由出入）。
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Then we started for the house, and i went in the back door - you only have to pull a buckskin latchstring, they don t fasten the doors - but that warn t romantical enough for tom sawyer ; no way would do him but he must climb up the lightning - rod
隨后我們往屋子走去，我從后門進只消拉一下用鹿皮做的門閂繩子就行了，他們門是不鎖的不過這樣還不夠浪漫，不合湯姆索亞的胃口。他非要爬那根避雷針上樓才算夠味。 -
The yanchang formation of upper triassic in north shaanxi is major terrigenous clastic system deposited in fluvial - latchstring environment, under the influence of the llocyclicity factor which include indosinian tectonic, eustacy, sedimentary supplies and the autocyclicity factor. in late triassic, north shaanxi was divided into two parts bounded by zhidan - ganquan - yichuan demarcation line
陜北地區上三疊統延長組是以河流一湖泊相為特徵的陸源碎屑巖系，當時的陜北地區，以志丹?甘泉?宜川沿線為界，南側以明顯的斜坡向深湖盆地過渡，北部則為一地形平緩的淺水臺地。 -
The south part was slope and deep floor of the lake, and the north part was a broad shallow - water platform of the latchstring shore. in the north part, chang - 6 and chang - 7 oil - bearing beds of yanchang formation were typical shallow - water platform delta with an incomplete progradational sequence, in which the delta plain facies were well developed and the river - mouth bars were not developed
受沉積基底地形的嚴格控制，發育于淺水臺地背景上的延長組長7 ?長6油層組表現出典型的淺水三角洲沉積特徵，具有發育的三角洲平原沉積，而前緣河口壩不發育，剖面上難以形成完整的進積序列。
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