A needle dust as the model of the intergalactic dust is emploied, which is used to explain the reason why the supernova light tracks intergalactic space do not redden obviously.
Learner's inter-language fossilized some way short of target language competence while the internalized rule system contained rules that are different from those of the target language system.
A soil bacterivorous nematode feeding on bacteria B1 and B2 was isolated from rhizosphere soil of wheat and cultured on potato sucrose agar medium(PSA).
The paper points out that overgeneralization of object is the main problem and the overgeneralization is affected by either intra-lingual transfer or inter-lingual transfer.
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8. 斑块化指数的年际变动滞后于斑块边界分维数。
Dynamics of patch size distribution lag behind patch boundary shape.
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9. 灾际使用表明,该焊机自动化程度高、焊接质量好、生产效率高。
The practical application shows that the welding machine has high automation level, fine welding quality and …