very marked difference 差异极其显着
Mr. Li has a very marked ability for research work and an attractive personality.
李先生对研究工作有很突出的能力并且人格十分优秀。
This indicates a hydrodynamic condition with a very marked potentiometric gradient.
这说明水动力条件具有很明显的位能梯度。
The engine was very smooth in operation but had one very marked disadvantage-thermal efficiency was only about 4 %.
该机在运转方面是很平稳的,但有一个明显的缺点,热效率仅为4 %左右。
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