research ranging over (as many as, no less than) three fields
at this last moment
at this final stage
及ぶものがない
読み方 およぶ
1
(=達する)to come up to (some standard); to extend to (some limit); to stretch to (some limit)
2
(=到る)to come to (something); to happen to (one)
3
(=匹敵する)to equal (the other); to match (the other); to be a match for (the other); to compare with (the other)
4
(=範囲内にある)to be within (one's power); to lie in (one's power)
5