Oil shale (or kukersite) and limestone deposits, along with forests which cover 47% of the land, play key economic roles in this generally resource-poor country.
沿着林区，覆盖整个陆地面积47%的油页岩(位于kukersite)和石灰岩矿藏在这个资源匮乏的国家的经济中扮演了重要的角色。
From the standpoint of overall resource use, the new techniques may be superior to the old, even in the poor country.
从整个资源使用的角度来看，即使在穷国，新技术也可能优于老技术。
Rutile resource is rich in our country, but rutile ore grade is low and the product is poor competitive because of its high production cost.
我国天然金红石资源储量较大，但绝大部分为低品位的原生矿石，所以加工成本高，产品缺乏市场竞争力。
Chemistry in country middle school is poor of all course resource, which is lack of qualified laboratory technical staff, sufficient laboratories, laboratory instrument and chemical reagents.
化学课程是农村中学课程资源中较薄弱的部分，其中主要的原因是缺乏合格的实验技术人员、实验场地以及实验仪器和药品。
Chemistry in country middle school is poor of all course resource, which is lack of qualified laboratory technical staff, sufficient laboratories, laboratory instrument and chemical reagents.
化学课程是农村中学课程资源中较薄弱的部分，其中主要的原因是缺乏合格的实验技术人员、实验场地以及实验仪器和药品。
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