The invention of the compass had epochal influence on navigation, opening up a new chapter in the history of world navigation.

指南針的發(fā)明在线国内在线播放av，給航海事業(yè)帶來(lái)了劃時(shí)代的影響，世界航運(yùn)史也由此翻開(kāi)了新的一頁(yè)高清一级电影。

The available operation range in clivus and anterior cranial base by transsphenoidal opproach was also observed during the operation under the help of neuronavigational pointer. Forty-one patients underwent sublabial, transseptal, transsphenoidal approach to the pituitary region guided by Surgical Microscope Navigation was studied. The piriform aperture was 27. 2mm±3. 1 , the origin of inferior nasal concha 30mm±4. 1, the origin of middle nasal concha 27. 9mm±4. 3. These data are important for transsphenoidal approach, because the piriform aperture and the origin of both inferior and middle nasal conchas restricted the opening width of the Hardy specula. If any distance of these bony structures was much less than the mean one, may cause inadequate opening of the specula blade and resulting dissatisfied operative field. Microadenomas or cystic tumors perhaps can be operated even in a narrow exposure, but large or giant solid adenomas may need a proper evaluation including changing the operative approach or performing a bilateral submucous inferior conchotomy or posterior ethmoidectomy firstly.

手術(shù)中還利用CT導(dǎo)航系統(tǒng)觀察棒研究了經(jīng)口—鼻蝶竇入路在斜坡區(qū)和前顱底能夠達(dá)到的實(shí)際有效操作范圍，為擴(kuò)大經(jīng)蝶竇入路手術(shù)在斜坡區(qū)和前顱底的應(yīng)用奠定基礎(chǔ)在线亚洲性爱，在國(guó)內(nèi)外尚未見(jiàn)同類(lèi)報(bào)道激情综合五月综合激情。41例垂體瘤患者梨狀孔平均寬度27.2mm±3.1，下鼻甲根部附著處間距30mm±4.1久久精品这里只有精品，中鼻甲根部附著處間距27.9mm±4.3，這是經(jīng)口—鼻蝶竇入路手術(shù)中黄片A片黄片A片，對(duì)Hardy雙瓣鼻窺器張開(kāi)限制的主要骨性結(jié)構(gòu)国产成人黄色网站视美女，若患者這些徑線值明顯小于平均值，則可能因?yàn)楸歉Q器打開(kāi)不充分而影響手術(shù)暴露国产又黄又爽又大又粗，當(dāng)然對(duì)于垂體微腺瘤和以囊變?yōu)橹鞯拇贵w瘤可能影響不大亚洲午夜精品高潮影院，但對(duì)于大和巨大垂體瘤必須要有充分的準(zhǔn)備，包括評(píng)估是否改用其他入路久久久精品一二三区，或先行鼻甲切除再行經(jīng)蝶手術(shù)。

The retrorse link that 4 inquiry stand has 150, the little center that main reason becomes network address navigation to stand of late namely follows after raining, rot grow on wood a head was risked like dawdle come out, and those who use is a material opening a source, I rely on to enrage me dead nevertheless I still can balance, the family spends money to do quality, be being collected as material network address by navigation station also is should, but Baidu should do not have what weight to not relevant link, that station Google is home page, baidu also is home page.

4查詢一個(gè)站的反向鏈接有150之多搜A级毛片，主要原因就是近來(lái)做網(wǎng)址導(dǎo)航站的小站長(zhǎng)就跟下雨后爛木頭上長(zhǎng)蘑菇似的一股腦冒了出來(lái)男女高潮无遮挡在线观看动漫，而且用的是一個(gè)開(kāi)源素材国产精品免费你懂的，我靠氣死我了不過(guò)我還是能平衡的亚洲免线视频，人家花錢(qián)把質(zhì)量做上去了，被導(dǎo)航站作為素材網(wǎng)址收錄也是應(yīng)該的综合图片亚洲，但是百度對(duì)不相關(guān)鏈接應(yīng)該沒(méi)有什么權(quán)重，那個(gè)站google是首頁(yè)看黄色AAAB级视频，百度也是首頁(yè)日韩欧美一级A片在线观看网址。