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Treatment of bladder stones with air pressure ballistic lithoclasty by cystoscopy or resectoscopy is simple and safe,being a kind of effective and minimal invasive technique for bladder stones.

结果 所有患者均一次性完成手术，无结石残留，术中、术后无膀胱穿孔和水中毒等并发症。结论经电切镜鞘途径气压弹道碎石治疗膀胱结石安全、疗效可靠、损伤小，是一种值得推广的高效微创技术。

Vortex Pump is a kind of unchokeable pump with good unchokeable performance, but its wear rate is lousily.

旋流泵是无堵塞泵的一种，无堵塞性较好，但磨损率较高。

Matt: The appearance of dull , lusterless.

无光：暗淡而无光彩的外观。

Results :The mean engoscopic harvest time was(35.6±11.8)minutes.No complication incision infection,edema of lower extremity,lymphangitis and fat necrosis occurred,Stay in bed time was 2days,stay in hospital time was 6days.

结果：平均采集时间（35.6±11.8）min，全组大隐静脉无损伤，术后无下肢切口感染、裂开、液化、疼痛，术后早期下肢的水肿不明显，平均卧床2d，术后平均住院天数6d。

In the artificial rearing larval honeybee method, 1-day-old larvae were reared in laboratory and 0.1 - 100 ppm pyriproxyfen was added in larval food. A dose respondent effect was found in the larval development of the treated larvae. Results showed that 0.1 ppm pyriproxyfen reduced the eclosion rate of the reared larvae conspicuously, and 1 ppm pyriproxyfen reduced that 84.6% of eclosion honeybee appeared the condition of deformed wings. The 10 ppm pyriproxyfen treatment caused 53.8% melanic death in the pupal stage, and no honeybees succeed in eclosion.

在室内饲养幼虫方面，分别添加0.1-100 ppm百利普芬於幼虫食物中，结果显示0.1 ppm百利普芬即会显著降低饲养幼虫的羽化率，而且添加1 ppm百利普芬会有84.6%羽化蜜蜂出现残翅现象；添加10 ppm百利普芬则会造成53.8%蜜蜂在蛹期黑化而死亡，而且无蜜蜂羽化成功；100 ppm百利普芬则有50%蜜蜂在幼虫期死亡，50%蜜蜂在蛹期死亡，亦无蜜蜂成功羽化。

The mesomorphic aggregates were composed of many domains whose orientation directions were different when the solutions were in nature.

在无外力作用时，液晶相由许多无规分布的取向微区组成。

METHODS: Rat cerebral cortex was obtained sterilely, made into monoplast suspension by the mechanical separation, and then incubated in the serum-free MEM/F12 medium, supplemented with B27 neurotrophic additive for 1 week. Subsequently, cells were passaged.

无菌条件下取胎鼠大脑皮质，剪碎后机械分离法制作单细胞悬液，加入含B27神经营养添加剂的无血清MEM/F12培养基进行培养，1周后传代。

"African stonemasons also were skilled at mortarless work, and Japanese mortarless castle walls resisted collapse during earthquake s."

非洲石匠也擅于无砂浆作品，而日本的无砂浆城堡墙壁能在地震中免于崩塌。

"African stonemasons also were skilled at mortarless work, and Japanese mortarless castle walls resisted collapse during earthquakes."

非洲石匠也擅于无砂浆作品，而日本的无砂浆城堡墙壁能在地震中免于崩塌。

"African stonemasons also were skilled at mortarless work, and Japanese mortarless castle walls resist ed collapse during earthquakes."

非洲石匠也擅于无砂浆作品，而日本的无砂浆城堡墙壁能在地震中免于崩塌。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。