Cambridge dictionary and collins, for instance, list both variants The dropping of full stops seems more prevalent in the uk than in the us It certainly avoids a lot of clutter (eg i.e.,) Rarely does it cause a lack of clarity. Is short for exempli gratia, and is in common use to introduce an example within a sentence Submit a sample of academic writing, e.g., a dissertation chapter
However, some authors use ex. It is similarly unnecessary to follow an eg list with etc, as eg already implies an incomplete list, and either eg or etc should be used This blog entry points out a nice distinction between the two Another thing to pay attention to is whether the list is definite or possible members of a set. What are the differences between viz. and e.g. and in which situations each is used Please also compare the usage with i.e. if appropriate
Should be used when you want to say 'in other words.' e.g Is it appropriate to use e.g. in a sentence without using parentheses This administrative access control should provide visibility into access via multiple vectors (e.g Terms like eg, ie and etc, while common, make reading difficult for some ‘eg’ can sometimes be read aloud as ‘egg’ by screen reading software Eg mcnally,should it be mc.nally
For stcloud is it including a full stop eg st.cloud 拉曼光谱（激光拉曼光谱）和 红外光谱 都是研究分子的振动和转动 能级跃迁 的分子光谱。研究表明，红外光作用下的振动中，只有振动前后 偶极矩 （ D）发生变化了的振动才会产生红外吸收。基团在振动过程中，凡是引起偶极矩改变的振动称为红外活性振动，例如，H-Cl的伸缩振动，O=C=O的反对称.
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