The phrase "both these aspects of" is correct and usable in written English.
You can use it when you want to refer to two different aspects of something. For example: "Both these aspects of writing an essay are important: proper structure and clear language."
This mindset became important in his reconciling Russian and European influences in his compositional style and showed that both these aspects of Russian culture were actually "intertwined and mutually dependent".
Both these aspects of their experiment are significant and novel: they remove key loopholes which skeptics had argued might bias previous experiments.
By a fascinating coincidence, both these aspects of the orchid family – their beauty and their vulnerability – are being illustrated right now by the Royal Botanic Gardens at Kew.
The model is not constrained to a regular lattice, nor is the interconnectivity of the pores restricted to a regular branching configuration since both these aspects of the model are inherently random.
We consider both these aspects of the interaction, develop a framework for the reconstruction and comparison of landscapes and landscape change at a variety of scales, and illustrate this with selected examples drawn from Africa and Arabia.
Very few physicians (or journalists) I know have been able to come to terms with the co-existence of both these aspects of medicine, and insist that medicine must be either/or; in the language of medicine, they believe your true intention should declare itself.
I hope to explore both of these aspects of writing more fully.
Both of these aspects of the procedure can result in embolization of debris to the brain and a neurologic event.
Both of these aspects of the Irish model also set it apart from the U.S. DPA system.
In fact, there must be a holistic design, which truly integrates both of these aspects of the design.
Chapters in this volume, as described, are devoted to both of these aspects of final thermal engineering of steel alloy systems.
