The phrase "are expected to be complementary" is correct and usable in written English.
It can be used when discussing how two or more elements are anticipated to enhance or complete each other in some way.
Example: "The new marketing strategy and the product launch are expected to be complementary, driving sales and brand awareness simultaneously."
Alternatives: "are anticipated to be supportive" or "are thought to enhance each other".
Thus both testing methods have strengths and weaknesses and are expected to be complementary.
Taking their difference into account, they are expected to be complementary and thus their combination is expected to have a better representation ability.
These two methods are based on different aspects of polymorphism data, and thus are expected to be complementary to one another.
The fact that three cases were incorrectly classified as non-tumoural by molecular profiling might be explained by an insufficient representation of tumoural cells in that washed-off samples, given that the tissue from the biopsy and the washed-off sample are expected to be complementary but different samples.
Once MSN Video Player is fully up and running it is expected to be complementary to existing services such as the BBC iPlayer, with its seven-day catch up for current shows, offering older archive programming.
Consequently, their contours can be expected to be complementary (unless the back-end models identical information from the different parameter contours in each voiced segment).
One of the potential directions is developing the deep learning-based modules, which are expected to be highly complementary to current engines.
If spatial distribution of the frictional parameters controls slip behavior on the fault, the asperity area and the after-slip area are expected to be spatially complementary.
Some s-piRNAs are expected to be reverse complementary to the original p-piRNA precursor transcript and may themselves be able to direct cleavage of these to recreate the original p-piRNA.
Such bottlenecks are expected to be particularly detrimental in parasitoid Hymenoptera that exhibit complementary sex determination (CSD).
Furthermore, the two analytical approaches should not be expected to be congruent but complementary.
