The phrase "approximately the same duration" is correct and usable in written English.
You can use it when comparing the lengths of time of two or more events or activities that are similar in duration.
Example: "The two movies have approximately the same duration, making it easy to schedule a double feature."
Alternatives: "roughly equal length" or "about the same length of time."
Airtime fairness means that each user gets to use the wireless channel for approximately the same duration as every other user.
Another feature of oblique saccades is that their horizontal and vertical components have approximately the same duration, even when their amplitudes are different [32], [33] (Figure 4C).
Gastroparetic symptoms of nausea and vomiting were present for approximately the same duration.
Overall this balances the workload well, and each reducer is assigned approximately the same number of alignments and runs for approximately the same duration.
The songs were manually segmented into structurally meaningful units (verse, chorus) to obtain sung phrases having approximately the same durations with the fragments in the monophonic database.
Residency lasts for about the same duration as in France.
The child is trained individually for 5 weeks, 5 times a week, approximately 45 minutes a day; the same duration as in the Cogmed protocol.
Unlike 0.5% lidocaine alone, however, a combination of 0.5% lidocaine with 0.5% QX-222 also significantly prolonged the nociceptive-selective block (approximately 90 min) beyond beginning with a brief nonselective block of the same duration as lidocaine alone.
These were calibrated such that they were all of the same duration (2.03 secs) and the initiation of mouth movements took place at approximately the same movie epochs (see supplementary Movies S1, Movie S2, Movie S3, and Movie S4).
A second round of sizing calculations was carried out using the same duration for a hybrid system that encloses a cooling tower with 55 kW of cooling capacity, approximately one third of the peak cooling load.
The Telluride-to-Moab route is the same duration and price.
