Filamentous primordial gonad formed gradually in 15-30 mm-TL juveniles (40-60 DAH), which was located in the posterior end of the abdominal cavity just beneath the mesonephric ducts closing to the body wall.

原始性腺在全長15~30mm（孵化40~60d）的幼魚中逐漸發(fā)育完善在线观看黄片免费观看，呈細線狀www插插插99，位于腹腔后部中腎管下方緊貼體壁国内永久网址。

This paper describes the distribution of potentials and current densities and the chemical changes in the presence of cathodic protection,the mechanism of cathodic protection against crevice corrosion,the mechanism of microbiologically influenced corrosion of pipeline steel beneath disbonded coatings.

綜述了在有陰極保護的條件時剝離涂層下縫隙內(nèi)電位電流的分布和化學(xué)環(huán)境的變化、陰極保護防止縫隙腐蝕的機理午夜肥婆、微生物腐蝕的機理以及前人提出的關(guān)于剝離涂層下微生物腐蝕與陰極保護相互作用的規(guī)律欧美性爱黄页，并展望了對于解決剝離涂層下微生物腐蝕難題需進一步的實驗研究

Never before photographed beneath Arctic ice, the Greenland shark, whose scientific name, Somniosus microcephalus, means 'small-headed sleeper,' has eluded close study until now.

從未在北極圈冰層下進行攝影偷拍一级黄色视频，格陵蘭鯊魚，它們的學(xué)名是：，意思是：小的－有頭的冬眠動物天天色色色色色色，它一直躲避人們對它的研究精品久久久无码中文字幕一丶。

Never before photographed beneath Arctic ice, the Greenland shark, whose scientific name, Somniosus microcephalus, means 'small-headed sleeper,' has eluded close study until now.

從未在北極圈冰層下進行攝影另类专区第一页，格陵蘭鯊魚日韩福利在线视频免费观看，它們的學(xué)名是：，意思是：小的－有頭的冬眠動物男人天堂黄色网址，它一直躲避人們對它的研究导航在线一区。以前是路過的，現(xiàn)在是過路的尤物国产在线精品三区蜜芽。日韩欧美一级特黄大片视频。。

Never before photographed beneath Arctic ice, the Greenland shark, whose scientific name, Somniosus microcephalus, means 'small-headed sleeper,' has eluded close study until now.

從未在北極圈冰層下進行攝影午夜福利欧美性爱，格陵蘭鯊魚欧爱爱爱网，它們的學(xué)名是：，意思是：小的－有頭的冬眠動物2av天堂网在线观看，它一直躲避人們對它的研究网站黄se。謝謝您的閱讀，您是本文第228672個閱覽者關(guān)閉窗口

Bending down, I shovel the snow off the surface and tap the ice with my mittened hand, imagining a painted turtle somewhere beneath it half-hearing the thud as it waits patiently for spring.

我猜想在冰下的某處亚洲va成无码人在线，彩龜在耐心等待著春天的到來吧国产在线无码制服丝袜无码知名国产，這會兒也許它隱約聽到了這敲擊聲呢。

The hematoma from cerebral amyloid angiopathy, sometimes multilobar, is always located in the brain cortices and the white matter beneath them. In the previous reports, the presence of cerebral amyloid angiopathy accounts for 5-10% of non-traumatic cerebral hemorrhage. However, it has been overlooked or misdiagnosed all the time because of the lack of tissue proof.

據(jù)文獻記載約有5%至10%的非外傷性顱丙出止是因大腦類淀粉血管病變所引起黄色网站久久影院，但由於其確切診所須藉助於病理切片360毛片视频AA，所以易被忽略或被誤診為腫瘤出血等較罕見的原因。

MAN NARRA TIN G: There's a legend of a man who lives beneath the sea.

海底世界有個傳說說那里住著一個男人

Even though noctilucent clouds were sometimes seen in the past., all this extra methane carries more water vapor into the upper atmosphere, where it condenses at much higher altitudes to form more clouds that the sun's rays still strike long after sunset has brought the beginning of night to the surface far beneath them.

雖說過去天空偶爾也出現(xiàn)過夜光云團黄色网站在线浏览观看，但大氣層中所含的那些過量的甲烷會將更多的水蒸氣帶到高層大氣中男女猛烈无遮挡羞羞视频；水蒸氣在更高處凝結(jié)，會形成更厚的云層亚州艳情网站，夜幕降臨以后很久日韩在线主播福利影院AV，這些位于高空的云層下方還在受著太陽光的照射。

Bored tunneling of the project between the SongjiangNanjiang station and ZhongxiaoXinsheng station in the Xinzhuang line of Taipei MRT was challenged by the conditions of driving through the underground structure of six panels of the retaining wall ,including the irregular continuous walls and noncontinuous base of foundation piles, beneath the existent tunnels of the Taiwan Railwayand the Taiwan High Speed Railsystem.

臺北捷運新莊線于松江南京站與忠孝新生站之間国产小视频在线播放，其潛盾隧道工程必須自營運中的臺鐵與即將營運高鐵隧道結(jié)構(gòu)下方通過亚洲图库日韩在线专区，且需穿越既有地鐵結(jié)構(gòu)下方之六道擋土壁體，包括不規(guī)則之連續(xù)壁體及非連續(xù)性之基樁群等免费Aⅴ无遮拦日本在线观看。