技术进步是实现经济增长的必要条件。
()是指技术标准、检定规程等对计量器具所规定的允许的误差极限值,它可以用绝对误差或相对误差表示。 ["绝对误差","相对误差","允许误差","随机误差"]
为了弥补客户临时性资金短缺,一般商业银行的理财业务人员会建议客户开立() ["信用卡账户","扣款账户","定期存款账户","交易账户"]
Assume that country is set for each class. Given: 10. public class Money { 11. private String country, name; 12. public getCountry() { return country; } 13.} and: 24. class Yen extends Money { 25. public String getCountry() { return super.country; } 26. } 27. 28. class Euro extends Money { 29. public String getCountry(String timeZone) { 30. return super.getCountry(); 31. } 32. } Which two are correct?() [" Yen returns correct values."," Euro returns correct values."," An exception is thrown at runtime."," Yen and Euro both return correct values."," Compilation fails because of an error at line 25."," Compilation fails because of an error at line 30."]
库房湿度变化主要受()的影响。 ["库温","天气","月份","季节"]
简论“楚辞”的文化渊源。