例句與造句

1. The regularity of accumulation distribution is ascertained and directs the exploration orientation . the main results obtained in this paper are : 1 . the analyses of hydrocarbon - bearing rock , reservoir , caprock and oil & gas reservoir indicate the source of oil & gas , the space for reservoir , requirement for preservation , reservoir type and its basic characters . 2 . it is realized by the analyses of sealing up capability of caprock and faults , and fault ' slatter stability from microcosmic and macroscopic that the wide - spread regional caprock of nm t prevented oil & gas of neogene from diffusing fault movement in neogene less violated and fault displacement decreased , which are advantageous for the preservation of oil & gas reservoir . and latter structure movement usually formed the accunulation of oil & gas in neogene . 3 . the research of history of hydrocarbon generation and expulsion of main hydrocarbon - bearing rock in qikou depression reveals the threshold depth and the fime of hydrocarbon generation and expulsion
   項(xiàng)目研究取得了如下認(rèn)識(shí)： 1 、對(duì)烴源巖、儲(chǔ)集層、蓋層及油氣藏展開分析，明確了歧口凹陷上第三系油氣藏的油氣來源、儲(chǔ)集場所、保存條件和油氣藏類型及其基本特征； 2 、從微觀和宏觀上對(duì)蓋層的封蓋能力以及斷層封堵和后期穩(wěn)定性進(jìn)行分析，認(rèn)識(shí)到明下段區(qū)域蓋層的廣泛分布阻止了上第三系油氣藏的油氣逸散，同時(shí)上第三系斷層活動(dòng)減弱，斷距較小，對(duì)油氣藏的保存較為有利。
2. It's difficult to find threshold depth in a sentence. 用threshold depth造句挺難的