The research of roller eccentricity is one of the hotspot problems in study of realm of strip rolling.
对轧辊偏心问题的研究，在轧制领域一直是一个热点问题。
There are lots of problems in study of bibliography due to the different standards of historical recorders of book lists.
历来史志书目的著录取舍不同，在目录学上造成不少难题。
The problems in study of inorganic theory at present are discussed. It is pointed out that the research on inorganic theory is still in stage of geological demonstration.
对目前我国无机生油理论研究中存在的一些问题进行了评述，指出，我国无机生油研究仍处于地质论证阶段。
The problems in study of inorganic theory at present are discussed. It is pointed out that the research on inorganic theory is still in stage of geological demonstration.
对目前我国无机生油理论研究中存在的一些问题进行了评述，指出，我国无机生油研究仍处于地质论证阶段。
应用推荐