The phrase "by aggregations" is correct and can be used in written English.
It means that something can be done or created by combining several smaller elements together. For example, "By aggregations, a large dataset can be analyzed to understand consumer behavior."
Sponges do not have discrete gonads; instead, reproductive cells are formed by aggregations of amoebocytes in the body wall.
Sperm and eggs are formed by aggregations of cells called amoebocytes in the body wall; these are not considered gonads because of their origin and transitory nature.
Like the rampant sonic sculpture of Venus Smiles (1957), these intertwined drives grow over everything else in Ballard's short fiction, which is peopled less by characters than by aggregations of psychosis, anxiety and desire.
We then highlight several approaches for each component of the query processing, including projections, selections, group by aggregations and joins.
Differential transport rates caused by aggregations of mussels and other foundation species must be considered in explanations of spatial pattern in soft-bottom communities.
The conclusion is that the illustrated process shows as by knowing the analysis to be performed on the data it is possible to transform the original data in a different form (by aggregations) and find a representation that both contains all the proprieties useful for obtaining a perfect analytical result and preserves the user privacy.
In addition, many processing operations do not naturally fit into the group by-aggregation model using single key-value pairs.
This is brought about by aggregation of VAPP58S and recruitment of wild type VAP into these aggregates.
Politics is driven by aggregation of power and privilege.
Ice crystals can also grow large enough to precipitate either by aggregation or by riming.
The uniqueness of news sites has been undermined by aggregation of content which transfers the front page to the Google home page.
