Sentence examples for this has been maintained from inspiring English sources
The phrase "this has been maintained" is correct and usable in written English.
It can be used to indicate that something has been kept in a certain state or condition over time. Example: "The quality of the product is impressive, and this has been maintained throughout the years."
This has been maintained well beyond the introduction period associated with high staff enthusiasm.
The NS gene with the 125G GGT) codon from this lineage has been maintained in this lineage in poultry to be isolated 10 years later in domestic ducks in Vietnam (i.e. A/duck/Vietnam/OIE-2328/2009) (Table 1).
This momentum has been maintained into this quarter, and we look forward to sustaining this improvement in the new financial year.
"It is unclear whether this commitment has been maintained by the current Queensland government".
Ian makes it clear that this policy has been maintained with the subsequent Climate Changing programme.
And in November, this trend has been maintained," he added, with around 2,500 fewer people registered as unemployed last month.
This control has been maintained through intermittent military occupation and the presence of Congolese militias financed and trained by the Rwandan Army.
"This land has been maintained in an almost pristine fashion, and it is unacceptable to do anything less" than to be a good steward of the land, Mr. Kleisner said.
The importance of this point has been maintained over the years (Beethan & Sharpe, 2007; Conole & Fill, 2005).
This is the first time that the Clinical Practice of EM has explicitly broken down multitasking into interruptions and task switching and this differentiation has been maintained in the 2013 update.
The patient was treated with timolol 0.5% eye drops for 2 weeks and 4 days later her visual acuity was improved and this improvement has been maintained ever since.
