The phrase "almost the same levels" is correct and usable in written English.
It can be used when comparing two or more things that are very similar in terms of quantity, intensity, or degree, but not exactly the same.
Example: "The two teams performed at almost the same levels throughout the season, making the competition very close."
Alternatives: "nearly identical levels" or "similar levels of performance".
The pollutant purification potentials of P. australis and Z. latifolia plant units during wastewater treatment of different pollutant concentrations occurred at almost the same levels.
Finally, the stress magnitudes returned to almost the same levels as those before the Tohoku-oki mainshock within 2 3 years, accompanied by a decrease in the frequency of aftershocks in offshore Kamaishi.
2. Family businesses maintained almost the same levels of ad-spend during the recession years as they did during normal times, helping them do better than the professionally managed companies, which reduced ad-spend when the times got tough.
Our stress measurements after the Tohoku-oki earthquake and those obtained in previous studies in 1991 2007 in the Kamaishi mine showed that the magnitudes of the three principal stresses and the maximum shear stress rose suddenly just after the mainshock, then gradually decreased and returned to almost the same levels as those before the mainshock within approximately 5 years.
NEMI curves for the other axes showed almost the same levels.
Moreover, the green sectors of the z3 mutant leaves contain almost the same levels of photosynthetic pigments compared with the wild type.
The institute's latest estimates predict a 1.5% decline in the first quarter of 2009 – almost the same level as the 1.6% contraction seen in the final three months of 2008.
Compared with a hypothetical assessment with no limit on the number of biomarkers, theirs would cost far less, yet have almost the same level of predictive power.
The IC50 value against Rho-kinase was 6 nM, while those against other kinases remained at almost the same level as that of HA-1077.
