we want to buy bolt, iron, screw nuts and bolts.

1、

the group_membership table stores the group id and the user id, which represents a user's membership in a group.

GROUP_MEMBERSHIP表存储组ID和用户ID，它们表示用户在组中的成员。

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2、

a film made by photographing a series of cartoon drawings to give the illusion of movement when projected in rapid sequence.

迅速播放时产生运动假象的一系列动画画面拍摄成的电影。

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3、

those involved in romantic relationships may follow the energy by proposing and marrying in rapid sequence.

那些在浪漫关系中的人也许跟随这个能量，在很快的时程中求婚然后结婚。

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4、

selection system of natural regeneration

择伐更新法

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5、

objective: the micromorphologic and histologic study for the meniscoid of cervical and lumbar zygapophysial joints.

目的：对人类颈、腰椎关节突关节内“半月板样物”进行形态学和组织学研究。

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6、

meanwhile, normal birth weight and term children were matched 1:1 with same sex preterm children, with an age gap less than 1 month and living in the same administrative district, and were served as the control group.

按照1：1匹配选择同性别、同民族、出生时间相差不超过1个月、居住在同一区域的足月正常体重儿作为对照。

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7、

a satisfactory output response is obtained by assigning a pair of complex poles and adjusting the proportional gain.

该方法通过配置一对复数极点的位置和调整比例增益，获得令人满意的输出响应。

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8、

the pectoral region, the axillary region

胸肌区，腋区

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9、

special committee on peace-keeping operations

维持和平行动特别委员会

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10、

bureau of the special committee on peace-keeping operations;

维持和平行动特别委员会主席团；

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11、

working group of the special committee on peace-keeping operations;

维持和平行动特别委员会工作组；

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12、

this model provides some useful suggestion for the wireless sensor networks system design that is equipped with pir sensor.

该模型对配备被动式红外传感器的无线传感网络的系统设计具有指导意义。

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13、

the effect of pre-surgical orthodontics on secondary alveolar bone grafting in the patients with complete cleft lip and palate

术前正畸对完全性唇腭裂牙槽突植骨疗效的影响

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14、

influences of personality factors on the satisfaction of patients with surgical orthodontics

人格因素对正颌患者术后满意度的影响

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15、

induction heater of electromagnetic cooker

电磁灶感应加热器

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16、

chinese electric home appliance industry: one of the global manufacture bases

正在成为世界制造基地的中国家电制造业

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17、

deyang city is one of the manufacture bases in china which has thousands of manufacturing enterprises.

德阳是国家装备制造业基地之一，拥有数千家制造企业。

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18、

interface testing in vehicle, customer support for crash testing and solving problem;

根据客户的需求进行碰撞试验并解决相应的问题；

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19、

test result automatic judgment in network management interface testing

网络管理接口测试中测试结果的自动评判

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20、

you can use this system as device interface testing tool, modem data transfer viewer and so on.

您可以使用此系统，作为设备接口测试工具，调制解调器，数据传输观众等等。

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