"fluctuate strongly" is a correct and usable phrase in written English.
You can use this phrase when you want to describe something that varies frequently, often in a large range. For example, "The price of oil on the stock market tends to fluctuate strongly."
Unfortunately, it was impossible to measure the CRM for higher excitation powers, as the emission started to fluctuate strongly between different levels and possibly the complex got damaged.
In this study, we hypothesized that B values for a given epicentral distance fluctuate strongly due to differences in local heterogeneous conditions.
The average size of these ordered subdomains was found to fluctuate strongly - consistent with frequent formation and breaking of backbone hydrogen bonds, even in the aggregate interior, reflecting the conformational plasticity of the observed oligomers (see also Fig. S2 and S3).
The simulated absolute and relative numbers of Influenza B infections fluctuate strongly from year to year.
Even if the values of ABC-IFC algorithm fluctuate strongly, they are the highest compared with the other algorithms.
The Figure shows annual dengue prevalence among travelers to Thailand and to the Indian subcontinent, highlighting that infection rates fluctuate strongly between years and between quarters within years.
Palaeoclimatic conditions in the early Holocene fluctuated strongly, whereas since 5.1 cal ka BP conditions have been more stable.
Precipitation and relative humidity (RH) during the wheat growing season and the overwintering period fluctuated strongly between years without a clear trend.
There were noticeable changes in both climate and landscape factors from 1987 to 2010 in Henan province, while pest damage of cereal aphids and armyworm fluctuated strongly between years.
Using this capability we have found several new configurations for testing systems, explored their energy landscape, and demonstrated that the magnetic moment of metal clusters fluctuates strongly in different local minima.
The T-gradient of the 21-6D well fluctuates strongly within small intervals, which is an indication for advective flow.
