'weak relation' is a correct and usable phrase in written English.
It is usually used to describe a relationship between two entities that is not very strong. For example, "The weak relation between the two countries meant that diplomatic tensions could easily arise."
Weak relation between cytokine connectivity degrees and historical knowledge accumulation.
The result shows the twist value of the TLs has a weak relation with the flare flux.
A few years later, Sternberg suggested an alternative approach that could resolve the weak relation between cognitive tasks and psychometric test scores.
The correlation analysis exhibits that the variation of VTEC has a very weak relation with geomagnetic and solar activities (Dst, AP, SSN and F10.7).
Our result showed that fluvial vegetation is not floristically differentiated according to its topographic position and there is a weak relation between pulse regime attributes and diversity of woody and herbaceous species.
It is also shown that the regeneration projects in post-communist cities are not resolved comprehensively, i.e. that the structures, which are subject to regeneration, are addressed individually with weak relation to community needs and to the surrounding areas of a city.
The confidence in programming skills (E2) were found to have weak relations to intercepts.
We interpreted this to be due to the fact that these first clusters might be capturing tags with weak relations.
Using these coefficients, a directed cyclic network is built for each principal component to model the relationship amongst the domains and capture strong or weak relations amongst them.
RCKmeans had a correlation value of 0.11, which indicated weak relations between the representative conformer ensembles and the elements in an entry.
Due to the unidirectional relations among microblog users, users can build a network with coexisting strong relations and weak relations to satisfy their multi-level social needs (Ding et. al, [13]).
