Sentence examples for frequency is difficult from inspiring English sources
However, in many cases, useful information is often overwhelmed by strong background noise and the defect frequency is difficult to be extracted.
Predicting the resonant frequency is difficult due to the stress distributions over the beam structure, which is primarily caused by the different layer deposition conditions and the resulting molecular compositions.
Such a high frequency is difficult to explain because the national breeding goal selects against the variant's effect.
Their exact frequency is difficult to ascertain because of the inconsistent use of adequate methods for their isolation and identification.
Because of the high frequency of recombination in CG7670 e04496 homozygotes, numerical analysis of the twin-spot frequency is difficult and further compounded by sequential repeated recombination events in clone lineages, as inferred from the observation of putative mwh flr double mutant cells (Fig. 6E,F).
At BMC, a distinct within-fire-shed contrast in fire frequency was difficult to explain without invoking the possibility of spatially-variable human-caused ignitions.
Gene variants related to alcoholism risk that are present in a population at low frequency are difficult to detect because the number of people who need to be genotyped increases dramatically.
However, low frequencies are difficult to target and the symptoms in the Cuban case do not appear consistent with infrasound attacks.
Terahertz frequencies are difficult to detect because they sit on the electromagnetic spectrum between microwaves and infrared light, and there is an important difference between the way these types of radiation can be detected.
Even though RF frequencies have regulation restrictions and large bandwidths for high data rates at desired frequencies are difficult to obtain, unlicensed bands at 2.4, 5, and 60 GHz are available for the implementation of hybrid OW/RF systems.
Exact allele frequencies are difficult to calculate because precise copy numbers are unknown.
