The part of the sentence "can usually be obtained" is correct and usable in written English.
You can use it when describing something that can typically be acquired or obtained. For example, "The information you need can usually be obtained from the library."
They can usually be obtained by calling a customer service number on the back of the card.
So the remaining balance can usually be obtained either by checking the monthly payment statement or calling the lender.
In the early stages of cataract development, some visual improvement can usually be obtained with eyeglasses, but, as the cataract progresses, the visual deterioration becomes sufficiently severe to warrant surgical treatment.
The admittance matrix can usually be obtained from the finite element model of the thin panel.
We report a novel computational procedure for determining protein native topology, or fold, by defining loop connectivity based on skeletons of secondary structures that can usually be obtained from low to intermediate-resolution density maps.
A calibrated WWTP model, the result of an iterative procedure, can usually be obtained by only modifying few model parameters, using the default parameter sets as a starting point.
When the quality of available data is insufficient for creating probability density distributions or fuzzy membership functions, the upper and lower bounds (intervals) of uncertain parameters can usually be easily obtained.
(1) Performance Characterization: For large systems, such as MIMO wireless transceivers, the performance is not known a priori and can usually not be obtained analytically.
Omics profiles are tissue specific, and the tissue of interest can usually not be obtained (e.g., adipose tissue, brain tissue).
Note that the higher part of the curve (in this example over 140 Nm), as shown in Fig. 3b can usually not be obtained in regular healthy subjects.
These bacteria can usually be cultured from the purulent effusion obtained from the middle ear [ 24, 26].
