命令形 => Imperative form N4
一度に => all at once N3
中 => While (Lasting) N3
Continuous
途中で/途中に => on the way; in the middle of ~ N4
中 => During the period (Term) N3
Time
[命令「めいれい」] => Do A (command) N4
Can, Should, Must
を中心に => focused on; centered on~ N2
最中に => while; during; in the middle of ~ N3
途中 (は) => on the way; in the middle of ~ N3
Halfway
中 => Throughout, all over, during the course of N5
Time
といったところだ => Display an amount/level/degree A (程度) N1
Degree/ Level/Amount
(の中)で~が一番~です => out of this group, [A] is best N5