下列哪项属于角膜接触镜的优点() ["矫正屈光参差好","矫正不规则散光好","舒适方便、视野宽阔","可用于治疗某些眼部疾病","以上均是"]
从器件角度看,计算机经历了四代变化。但从系统结构看,至今绝大多数计算机仍属于()型计算机。 ["并行","冯·诺依曼","智能","实时处理"]
理想的眼镜材料() ["水晶","石头","光学玻璃","玻璃板","塑料"]
计算机存储器存储容量的基本单位是()。 ["字节","字","KB","比特"]
假设检影验光的检查距离为1m,所见为顺动时,则被检眼为() ["远视","近视","正视","远视或近视","远视,近视或正视"]
N公司于1999年7月25日申请一笔200,000元的半年期贷款,年利率5.472%,经审查同意发放。