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名词解释题
Embryonic disc
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【GSM协议与标准】挂机之后A接口资源清除的顺序为(拆线－DISC,清除BSS资源－CLEAR,释放－REL):()
A.DISC-REL-CLEARB.REL-DISC-CLEARC.CLEAR-REL-DISCD.CLEAR-DISC-REL
考题
请补充main函数，该函数的功能是求方程ax2+bx+c=0的两个实数根。方程的系数a、b、c从键盘输入，如果判别式 (disc=b2-4ac)小于0，则要求重新输入a、b、c的值。例如，当a=1，b=2，c=1时，方程的两个根分别是x1=-1.00， x2=-1.00。注意：部分源程序给出如下。请勿改动主函数main和其他函数中的任何内容，仅在函数fun()的横线上填入所编写的若干表达式或语句。试题程序：include"math.h"include ＜stdio.h＞main(){float a，b，C，disc，X1，x2；clrscr()；do{printf("Input a，b，C：")；scanf("%f，%f，%f"，a，b，ac)；disc=b*b-4*a*c；if(disc＜0)printf("disc=%f\n Input again!\n"，disc)；}while(【 】)；printf("****+* the result *+*****\n")；x1=【 】；x2=【 】；printf("\nx1=%6.2f\nx2=%6.2f\n"，x1/x2)；}
考题
The globe valve has a bulbous body, housing a valve seat and screw down plug or disc arranged at right angles to the axis of the pipeAccording to the above sentence, which of the following statements is not true?A.The profile of the valve is like a globeB.The valve seat is set into the bulbous bodyC.The plug or disc of the valve is made vertical to the axis of the pipeD.The valve seat is located at right side of the plug or disc
考题
请补充main函数，亥函数的功能是求方程ax2+bx+ e=0的两个实数根。方程的系数a、b、C从键盘输入，如果判别式(disc=b*b-4*a*c)小于0，则要求重新输入a、b、c的值。 例如，当a=1，b=2，c=1时，方程的两个根分别是：x1 =-1．00，x2=-1．00。 注意：部分源程序给出如下。 请勿改动函数中的其他任何内容，仅在横线上填入所编写的若干表达式或语旬。 试题程序： includemath．h》 includestdio．h》 void main { double a，b，c，x1，x2，disc； do { printf("Input a，b，C：")； scanf("％1f，％1f，％1f”，＆a，＆b，＆C)； disc=b*b一4*a*C： if(disc0) printf("disc=％1f＼n Input again!＼n"，disc)； } while(【1】)； printf("****1he result****＼n")； x1=(-b+【2】 (disc))／(2*a)； x2=(-b-【3】(disc))／(2*a)； printf("＼nx1=％6．21f＼nx2=％6．21f＼n"，x1，x2)； }
考题
Which of the following is NOT true about the gravity disc?
A.The location of the interface can be changed by exchanging the diameter of the gravity discB.A.larger diameter of gravity disc can cause the interface is far away from bow centerC.disc should not break the The diameter of gravity water sealD.In practice, the use of nomogram is the best oA530 operation
考题
The moral shortsightedness is revealed in the fact that _____.［A］ the government has stopped the experiment on human tissue［B］ the donation consent forms are difficult to understand［C］ the Human Tissues Act is an obstacle to important medical research［D］ embryonic research shows disregard for human life
考题
【GSM协议与标准】挂机之后A接口资源清除的顺序为（拆线－DISC，清除BSS资源－CLEAR，释放－REL）：（）A、DISC-REL-CLEARB、REL-DISC-CLEARC、CLEAR-REL-DISCD、CLEAR-DISC-REL
考题
单选题The （） of the gravity disc is too big It causes oil to flow through the water outletWe changed the disc and no oil is found in the water outlet.A
gravityB
diameterC
circumferenceD
cylinder
考题
单选题The diameter of the gravity disc is too big It causes oil to flow through the water outlet We changed the disc and no （） is found in the water outlet.A
waterB
oilC
scaleD
ridge
考题
单选题【GSM协议与标准】挂机之后A接口资源清除的顺序为（拆线－DISC，清除BSS资源－CLEAR，释放－REL）：（）A
DISC-REL-CLEARB
REL-DISC-CLEARC
CLEAR-REL-DISCD
CLEAR-DISC-REL
考题
单选题A butterfly valve consists basically of a disc pivoted across the bore of a ring body having the same radial dimensions as the pipe in which it is fitted.According to the above sentence, which of the following statements is not true?（）A
The diameter of a disc is the same as the outer diameter of the pipeB
We can infer that the valve is opened or closed by rotating the spindleC
A butterfly valve comprises a disc and a ring bodyD
The profile of the butterfly valve is a ring body
考题
名词解释题Embryonic stem cell
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