主页
学科
搜索
账户
常见问题
当前学科:集成电路工艺原理
题目:
判断题
离子注入物质必须以带电粒子束或离子束的形式存在。
A . 正确
B . 错误
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
消极债券投资策略包括()。
Whether a charter party bill of lading is provided with the following functions or characteristics. (1) It is a receipt of goods. ( ) Yes/( ) No (2) It is a contract of carriage. ( ) Yes/( ) Subject to a charter party agreement (3) It is a title document. ( ) Yes/( ) Subject to a charter party agreement (4) It is a negotiable document. ( ) Yes/( ) Subject to a charter party agreement (5) It may control the delivery of the goods. ( ) Yes/( ) Subject to a charter party agreement (6) Type of delivery is that subject to a charter party agreement, shipping company will deliver goods against one original charter party B/L. ( ) Yes/( ) No
“外行看热闹,内行看门道”体现了知觉的()。
钢梁喷砂除锈作业,喷砂嘴喷射的角度以()为宜。
下列属于我国民族自治地方自治机关的是()
女性,30岁。过去有肺结核病史,近两月咳嗽,无痰,少量间断咯血,乏力,胸片未见活动性肺结核病变,但痰结核菌两次(+)。进一步检查首选()
良性前列腺增生术后禁止灌肠的时间是()
入院记录应在何时完成()。
噪声污染的特点是()。
男,49岁,入院诊断为肝内外胆管结石,拟行肝内外胆管切开取石术,既往有胸闷、心前区不适8年。若用吸入麻醉,不宜大量选用的吸入药是()