this article starts with youth peasant workers in coal mining enterprises, systematically analyzes this group by using sociological theory and proposes some methods to solve the problem.

1、

the amount of funds that put into use is limited, but the effect is significant. and it is welcome by most youth research workers.

其经费投入有限，效果却十分显著，并且受到了广大青年科研工作者的欢迎。

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2、

to address issues concerning juvenile gangs, a reference kit for parents was developed, and training for youth workers in handling juvenile gangs enhanced.

为了解决童党问题，社署制作了一套处理童党问题家长锦囊，又加强培训青少年工作者处理童党问题。

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3、

to explain and answer this question has become the significant practical issue before the ideological and political education of youth workers.

对这一问题的阐释和回答就成为摆在广大国有企业青年思想政治教育工作者面前的重大现实课题。

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4、

the youth workers who are the main force in state-owned enterprises and the hope of it.

青年职工是国有企业生产经营活动的主力军，也是国有企业的未来与希望。

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5、

in my view, this is what is expected from and the direction for the young people and youth workers in hong kong in this new era.

本人认为，这就是香港新时代向香港的青年人和青年工作者提出的要求和路向。

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6、

the main qualities required by time for the youth workers of community

新时期社区青年工作者的主要素质

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7、

internally the earth consists of two parts, a core and a mantle.

地球的内部由两部分组成：地核和地幔。

provided by jukuu

8、

correlation between the structures of crust and upper mantle and the thermal events

地球内部的热事件与地壳上地幔结构的相关研究

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9、

dynamic background in core-mantle boundary

核－幔边界的动力学背景

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10、

experimental study on the electrical conductivity of mantle minerals at high temperatures and high pressures

地幔矿物电导率的高温高压实验研究

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11、

mantle heat flow and deep temperature of jiyang depression, shandong, north china

济阳坳陷地幔热流和深部温度

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12、

distributions and changes of fault strength due to mantle uplift

地幔物质上涌引起断层强度的变化和分布

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13、

some problems and advances in the theoretical studies of mantle plumes

地幔柱构造理论研究若干问题及研究进展

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14、

simulating experimental study of the composition of the water-bearing upper mantle

含水上地幔的模拟实验研究

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15、

a preliminary study on crustal and upper mantle structures in yunnan

云南地壳上地幔构造的初步研究

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16、

effects of mantle flow on generation and distribution of global lithospheric stress field

地幔对流对全球岩石圈应力产生与分布的作用

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17、

an inversion formula for a mantle structure with low velocity zone

反演含有低速带的上地幔速度结构的一个公式

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18、

simulation experiment on effects of cement mantle features on casing loading

水泥环性质对套管外载影响的模拟试验

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19、

the study of upper mantle is an important content of the earth science.

上地幔一直是地球科学研究的重要内容之一。

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20、

this paper introduces the concept of mantle heat flow and its calculation method;

本文介绍了地幔热流的概念及计算方法，建立了相山地区的地壳结构模型和岩石放射性热源分布模型；

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