一复合肥料标识为20─10─10，则其意指（）。
A: AN20%、P10%、K10%
B: BN20%、P2O510%、K2O10%
C: CC20%、H10%、O210%
D: DCO220%、H2O10%、O210%
A: AN20%、P10%、K10%
B: BN20%、P2O510%、K2O10%
C: CC20%、H10%、O210%
D: DCO220%、H2O10%、O210%
举一反三
- 一复合肥料标识为20─10─10，则其意指（）。 A: N20%、P10%、K10% B: N20%、P2O510%、K2O10% C: C20%、H10%、O210% D: CO220%、H2O10%、O210%
- Conversation 17.A) At 2 o'clock this afternoon. B) At 3 o'clock this afternoon. C) At 10 o'clock this morning. D) At 10 o'clock tomorrow morning. A: At 2 o'clock this afternoon. B: At 3 o'clock this afternoon. C: At 10 o'clock this morning. D: At 10 o'clock tomorrow morning.
- 【单选题】O(1) , O(10000logn ), O(n!) , O(nlogn) , O(n 2 ) , O(10 5 n) , O(0.0001n 3 ) , O(2 n ) , O(10 -9 n 3 +2n+100)中时间复杂度最高的是 A. O(n!) B. O(10000logn ） C. O(10 5 n) D. O(2 n )
- Until what time will the tornado watch be in effect A: 10 o'clock tonight. B: 2 o'clock in the morning. C: 2 o'clock in the afternoon. D: 10 o'clock in the mornin
- 20-10-20肥料是指。 A: N03含量为20% B: P含量为10% C: K20含量为20% D: K含量为10