The phrase "has several defects" is correct and usable in written English.
You can use it whenever you want to refer to something that has multiple flaws or shortcomings. For example, "This plan has several defects that must be addressed before it can be implemented."
However, we determined that it has several defects (Table 2), which implies that careful verifications and modifications are required when using it.
Early VSC based HVDC (referred to as HVDC Flexible in this paper) adopts two-level or three-level converter technology, but it always has several defects, such as high harmonic contents and high switching losses, etc.
Direct Election of the President - Our elector system for choosing presidents has several defects.
Phenotypic analyses showed that srn has several defects that are not present in mutants in the Notch-Delta pathway des, dla or mib, or DAPT treated embryos.
However, it still has several defects, for example, premature convergence, stagnation phenomenon, and slow convergence speed in the later evolution period, which imply that the PSO should be further improved, especially for a specific complex problem, for example, the detection of SNP-SNP interactions.
First, the study was based on a cross-sectional survey that had several defects due to medical views.
However, these antifungal drugs have several defects related to clinical usage, such as low efficacy and side effects.
Finally, FKBP52-deficient male mice were found to have several defects in reproductive tissues which included ambiguous external genitalia and a dysgenic prostate [ 27].
Percival's P.T.: Because Percival is such a special breed, he has several genetic defects.
The quaking viable (qkv) mouse has several developmental defects that result in rapid tremors in the hind limbs.
The quartz surface has several types of defects resulting from the homolytic and heterolytic cleavage of the Si-O bond.
