The effectiveness of subject librarian system consists in its initial stage.
学科馆员制度实施成效如何，其起步阶段特别关键。
In its initial stage, BMW committed to major aircraft engine research and development and production.
在初创阶段，BMW主要致力于飞机发动机的研发和生产。
In its initial stage, BMW committed to major aircraft engine research and development and production.
在初创阶段，BMW主要致力于飞机发动机的研发和生产。
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