NN、EP如何区分?
NN、EP如何区分?
相关考题:
与定量分析方法的线性评价和实验干扰评价有关的是A.EP6-A和EP7-AB.EP9-A2和EP10-A2C.EP11-A和EP12-AD.EP14-A和EP15-AE.EP18-A和EP21-A
与检测单位使用的质量管理、临床实验方法总分析误差的评估有关的是A.EP6-A和EP7-AB.EP9-A2和EP10-A2C.EP11-A和EP12-AD.EP14-A和EP15-AE.EP18-A和EP21-A
与定量分析方法的线性评价和实验干扰评价有关的是()A、EP6-A和EP7-AB、EP9-A2和EP10-A2C、EP11-A和EP12-AD、EP14-A和EP15-AE、EP18-A和EP21-A以上是NCCIJS公布的方法学评价文件
与检测单位使用的质量管理、临床实验方法总分析误差的评估有关的是().A、EP6-A和EP7-AB、EP9-A2和EP10-A2C、EP11-A和EP12-AD、EP14-A和EP15-AE、EP18-A和EP21-A
与检测单位使用的质量管理、临床实验方法总分析误差的评估有关的是()A、EP6-A和EP7-AB、EP9-A2和EP10-A2C、EP11-A和EP12-AD、EP14-A和EP15-AE、EP18-A和EP21-A以上是NCCIJS公布的方法学评价文件
Which statement adds a constraint that ensures the CUSTOMER_NAME column of the CUSTOMERS table holds a value?()A、ALTER TABLE customers ADD CONSTRAINT cust_name_nn CHECK customer_name IS NOT NULL;B、ALTER TABLE customers MODIFY CONSTRAINT cust_name_nn CHECK customer_name IS NOT NULL;C、ALTER TABLE customers MODIFY customer_name CONSTRAINT cust_name_nn NOT NULL;D、ALTER TABLE customers MODIFY customer_name CONSTRAINT cust_name_nn IS NOT NULL;E、ALTER TABLE customers MODIFY name CONSTRAINT cust_name_nn NOT NULL;F、ALTER TABLE customers ADD CONSTRAINT cust_name_nn CHECK customer_name NOT NULL;
单选题有以下程序:#includemain(){ char *s=120119110; int n0,n1,n2,nn,i; n0=n1=n2=nn=i=0; do { switch(s[i++]) { default:nn++; case '0':n0++; case '1':n1++; case '2':n2++; } }while(s[i]); printf(n0=%d,n1=%d,n2=%d,nn=%d,n0,n1,n2,nn);}程序的运行结果是( )。An0=3,n1=8,n2=9,nn=1Bn0=2,n1=5,n2=1,nn=1Cn0=2,n1=7,n2=10,nn=1Dn0=4,n1=8,n2=9,nn=1
单选题Which statement adds a constraint that ensures the CUSTOMER_NAME column of the CUSTOMERS table holds a value?()AALTER TABLE customers ADD CONSTRAINT cust_name_nn CHECK customer_name IS NOT NULL;BALTER TABLE customers MODIFY CONSTRAINT cust_name_nn CHECK customer_name IS NOT NULL;CALTER TABLE customers MODIFY customer_name CONSTRAINT cust_name_nn NOT NULL;DALTER TABLE customers MODIFY customer_name CONSTRAINT cust_name_nn IS NOT NULL;EALTER TABLE customers MODIFY name CONSTRAINT cust_name_nn NOT NULL;FALTER TABLE customers ADD CONSTRAINT cust_name_nn CHECK customer_name NOT NULL;
填空题请将下列数据(nn)在TextBox控件中显示出来。Double nn=4512.6;TextBox1.Text=()