and on packing volume and quality should be limited to a minimum, packaging requirements for the implementation of decrement;

1、

packing volume and material standard to make national standards.

包装容积和材质标准有新变化国家标准作出了修改。

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2、

detachable flexible cable or cord

易取下的软缆或软线

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3、

mean square radius of gyration

均方旋转半径

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4、

relationship between mean-square radius of gyration and degree of branching for highly branched copolymers

高度支化共聚物的均方回转半径和支化度的关系

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5、

which has the minimum radius of gyration in the oval section.

即椭圆截面的最小回转半径处。

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6、

in both, the large "radius of gyration" means the shaking has a lot of inbuilt inertia to overcome.

巨大的“旋动半径”意味着宝塔自身有很大的惯性，来抵抗震动。

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7、

for a homogeneous rigid body, the radius of gyration is given only by its geometric shape, but not by its density.

对于均质刚体，仅与几何形状有关，与密度无关。

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8、

two homogenous rigid bodies with identical shapes, but made of different materials (different densities), have the same radius of gyration.

对于几何形状相同而材料不同（密度不同）的均质刚体，其回转半径是相同的。

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9、

the role of ureterolithotomy in situ

原位法输尿管切开取石术

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10、

experience of 17 patients with ureteral calculi treated by laparoscopic ureterolithotomy

腹腔镜输尿管切开取石术17例体会

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11、

retroperitoneoscopic ureterolithotomy on patients with mid- upper segment of ureter stones

后腹腔镜下输尿管中上段切开取石术

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12、

retroperitoneal laparoscopic ureterolithotomy for the treatment of upper ureteral calculi(report of 15 cases)

后腹腔镜输尿管上段切开取石术（附15例报告）

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13、

retroperitoneal laparoscopic ureterolithotomy in treatment of ureteral calculi

后腹腔镜输尿管切开取石术的临床应用

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14、

comparison of the effect between retroperitoneal laparoscopic and lumbar straight incision ureterolithotomy

后腹腔镜与经腰背部直切口途径行输尿管切开取石术的疗效比较

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15、

retroperitoneal approach laparoscopic ureterolithotomy for upper ureter lithiasis

后腹腔镜输尿管上段切开取石术

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16、

abdominal versus retroperitoneal laparoscopic ureterolithotomy: a comparative study

经腹与经腹膜后腹腔镜输尿管切开取石术的比较

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17、

comparison of surgical outcome between retroperitoneal laparoscopic and lumbar straight incision ureterolithotomy

后腹腔镜与经腰背部途径治疗输尿管上段结石的疗效比较

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18、

to evaluate the selection of indications, surgical techniques of retroperitoneoscopic ureterolithotomy.

探讨后腹腔镜下输尿管切开取石术的适应症选择及手术技巧。

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19、

objective: to evaluate the clinical curative effect and practical value of laparoscopic transperitoneal ureterolithotomy.

目的探讨经腹腔行腹腔镜输尿管切开取石术的临床疗效及应用价值。

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20、

aim to sum up the experience of the upper and middle ureterolithotomy via the semilunar line incision.

目的总结经半月线切口在输尿管上中段取石术中应用的体会。

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