Kiht S≤1㎡ 1㎡ 3㎡ 5㎡ 10 ㎡ 30 ㎡ 50 ㎡ 100 ㎡ 300㎡<S 2 kihti 4 7 7 8 8 9 10 12 RFQ 4 kihti 5 8 8 9 9 10 11 13 6 kihti 6 9 9 10 10 11 12 14 8 kihti 7 10 10 11 11 12 13 15 10 kihti 8 11 11 12 12 13 14 16 12 kihti 9 12 12 13 13 14 15 17 ≧14 kihti RFQ