strata stratum 中文意思是什麼

strata stratum 解釋
的復數
  • strata : n. stratum 的復數。
  • stratum : n. （pl. -ta）1. 地層；層。2. 階層。
  1. The first power station of jinping mountain lies in the west section of the yanglongjiang river from santan to shoupagou gully, with a double - curved arch dam of 305 - meter height and a normal water storage of 1880metres. the exposed strata of the damsite are marbles and arenaceous rocks of triassic and solution fissures have been developed in the marbles of the left - bank ' s dam abutment, and they have become a stratum of strong leakage. as a result, it has been an important problem for the dam foundation to stop leakage

    錦屏一級電站位於西雅礱江的三灘至手爬溝河段，壩型為305米高雙曲拱壩，正常蓄水位標高1880米。壩址區出露的地層為三疊系雜谷腦組二段大理巖和三疊系雜谷腦組三段的砂板巖。在勘探過程中，發現左岸壩肩大理巖體中的構造裂隙和溶蝕裂隙發育，且成為強滲透地層，為此壩基的防滲成為重要問題。
  2. By comparing with the strata of " holocene series of the coastal plain of laizhou bay " and combining 14c age measurement, the strata position and features of the lagoon ? hallow sea ? each sedimentary facies are confirmed. the stratigraphic division of upper marine facies of holocene is done and the sedimentary environment of every stratum is affirmed

    通過與「萊州灣濱海平原全新統」進行地層對比並結合~ （ 14 ） c測年數據，確定了該沉積區全新世瀉湖?淺海?海灘相沉積層的層位和特徵，並對該層及其以上地層進行地層劃分，判斷出各層的沉積環境。
  3. Consistency of interests between new stratum and other strata

    新社會階層與其他社會階層在根本利益上是一致的
  4. In digging the well, the men struck first a stratum of sand, then several strata of rock

    在挖井時，他們先挖掘到一層砂，之後是幾層石頭。
  5. In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face

    摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵，應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態，得出了老頂初次來壓時頂板的臨界載荷和破斷步距，確定了頂板破斷后的極限下沉量和回轉角，並以神東礦區大柳塔1203工作面為例給出了工程實例。
  6. It was also indicated by the studies on a large number of pb isotope that pb in ores of the deposit chiefly came from volcanic rocks in the strata and later intrusions with derivation of a little pb from the normal deposit stratum

    大量pb同位素研究也表明，礦床的礦石鉛源跨越了下地殼、地幔和造山帶演化線，形成混合鉛帶，多集中於地幔和造山帶演化線附近，暗示pb主要來自地層中的火山巖和後期的侵入巖，少量來自正常沉積地層。
  7. On the basis of study on petrology, volcanic geology, geochemistry, isotopic chronology, antitheses of the regional strata and 4 suits of volcanic rock stratum of the yanshan - liaoning area, the rhythm of yanshanian volcanic activity is divided into 1 gigantic - cycle, 4 cycles, 11 micro - cycles, 24 sub - cycles and many rhythms. in addition, the temporal and spatial evolution and regional contrast of every - level rhythms are discussed. 3. based on the study on classifications of rhythm of volcanic activity and regional contrast, the petrology, mineralogy, geochemistry, and isotopic characteristics of every - level rhythms are discussed

    2 、通過對燕遼地區燕山期發育的四套火山巖的巖石學、火山地質學、地球化學、同位素年代學的綜合研究，通過運用綜合方法進行區域地層對比和分析火山噴發盆地火山巖地層特徵的基礎上，將本區燕山期火山活動節律，劃分為1個二級節律（大旋迴） 、 4個三級節律（旋迴） 、 11個亞三級節律（小旋迴） 、 24個四級節律（亞旋迴）和多個五級節律（韻律）等，論述了各級火山活動節律特徵及其時空演化和區域對比。
  8. Researches show there are many types of strata pressure, super pressure in certain depth below the bottom of the jurassic stratum, and also overpressure in the whole jurassic stratum in central and southern of mosuowan salient

    研究表明該地區地層壓力類型豐富，侏羅系底部及以下地層在凹陷內一定深度以下普遍發育高壓，在莫索灣凸起的中南部侏羅系則整體處于超壓狀態。
  9. The intrinsic two basic strata ? ? worker and peasant have changed greatly ; the number of intelligentsia has increased quickly, this team is more and more large ; some new social strata has been appeared, from the process of chinese modernization, the transformation of chinese social stratum structure is no doubt a unprecedented improvement in history, it makes a lasting positive and negative pushing effect to the continued deepening of the reform, the further advance of economy, the overall progress of society

    原有的兩個基本階層? ?工人和農民發生了重大的變化;知識分子的人數迅速增加，隊伍越來越大;出現了若干新的社會階層。從中國現代化進程來看，社會階層結構的變遷無疑是一次前所未有的歷史進步，對于改革的繼續深化，經濟的進一步發展和社會的全面進步具有持久的影響和積極的推動作用。
  10. Underlying soil stratum, strata

    下臥層土
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