“文学”小说没有固定的定义。
因为我们并不认为西方文学，具有权威文本的固定标准。
Because we don't really consider Western Literature to have an actual closed Canon of authoritative texts.
如果变暗有规律的发生，天文学家则可以假设这是轨道固定的行星而不是路过的小行星造成的。
If that dimming occurs regularly, astronomers can assume it's due to an orbiting planet rather than, say, a passing asteroid.
因此，天文学101的教学策略一定要在没有教师大力帮助的情况下解决学生的概念和推理难题，教学策略的设计一定要适合于有着固定座位的大班教学。
So instructional strategies must resolve conceptual and reasoning difficulties without significant help from the instructor, and they must be designed for use in large lecture halls with fixed seats.
这种仪式有比较固定的行事日期和祭祀场所，带有测度日影的早期天文学观察性质。
Such ceremony has comparatively fixed dates of action and the places of worship, characteristic of earlier astronomical observation of the movement of the sun shadows.
但也存在内容较杂、有些论文学术性不太强、出版周期不固定等不规范问题。
But some essays were not academic enough. The publishment cycle was not regularly fixed, etc.
文学不是一个固定不变的存在于某个空间中的事物，文学是一种精神现象，它时时处于变化之中，是一个动态的过程。
Literature is not a changeless object which exists in a certain space, but is a mental phenomena and it is a dynamic process in a changeable condition.
无形固定资产形成总额包括矿藏的勘探、计算机软件、娱乐和文学艺术品原件等获得（减处置）价值。
The total tangible assets formation includes the prospecting of minerals, the originals of recreational works and works of literature and arts minus the disposal of them.
无形固定资产形成总额包括矿藏的勘探、计算机软件、娱乐和文学艺术品原件等获得（减处置）价值。
The total tangible assets formation includes the prospecting of minerals, the originals of recreational works and works of literature and arts minus the disposal of them.
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