The phrase "a proper range" is correct and usable in written English.
It can be used when discussing an appropriate or suitable scope, extent, or variety of something, such as options, measurements, or categories.
Example: "The study requires a proper range of data to ensure accurate results."
Alternatives: "an appropriate range" or "a suitable range."
Li acknowledged that the economy had "come under quite a number of difficulties and downward pressure" while stressing it remained in a "proper range", a favourite phrase.
Increasing thermoelectric elements thickness and thermoelectric module row number in a proper range can significantly enhance thermoelectric generator performance.
Results show that the reactor length and nozzle length can be reduced in a proper range to obtain better results.
And his playing had a proper range of weight and colour across the keyboard, bringing out the texture of the concerto's endlessly original writing.
Multiplicity is guaranteed by limiting the dimensionless space time ϑ in a proper range in addition to the necessary conditions.
Results and implications from the experiments show great benefits can be obtained if the RFID investment scale is controlled in a proper range.
It can be seen that a proper range-bin alignment has been obtained.
Next you max Keen Eyes so that you can act like a proper ranged class, before pumping L7.
A lack of proper range causes movement dysfunctions and can lead to pain, both of which have huge detrimental effects on your ability to work out effectively".
where X 0) is the low frequency (zero frequency) component of X and X(2) is the high frequency component of X. μ is a scaling parameter used to scale I into a proper numerical range for specific image processing applications, abs(X(0)) is the complex magnitude of X 0), real(X(2)) is the real part of X(2), and imag(X(2)) is the imaginary part of X(2).
On average, 40percentt of would-be customers, whose computers are within proper range of a D.S.L.-equipped central telephone office, run into wiring complications.
