主页
学科
搜索
账户
常见问题
当前学科:激光加工技术
题目:
填空题
激光具有()、()、()、()的特点。
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:
急性闭角型青光眼在急性发作期有哪项不能作为诊断要点()
在腹部,距前正中线4寸的经脉是()
女,23岁,已婚,孕20周,因白带多、外阴疼痛、尿痛2天就诊,1周前有性生活史。妇查前庭充血,阴道有大量绿色脓性分泌物,挤压阴道前壁尿道口有脓流出,宫颈充血水肿,有脓性分泌物流出,子宫、附件(-)。该患者最可能的诊断是()
在为婴幼儿设计精细动作练习时,要实现()的结合,以提高婴幼儿的综合素质。
乳腺癌根治术后,上肢水肿的主要原因是()。
行程长度编码属于()。
小脑幕切迹疝的典型临床表现是()
Revise the following e-mail message. And the formatting of the message is to be scored.TO: Andrea KanaThis message is in response to your recent inquiry about mail costs. Your message of April 30 said that you wanted a brief explanation of what is being done in Mail Services to cut back on overall costs. I can tell you that I've been doing many things to cut costs.For one thing. l' m trying very hard to locate duplicate names and addresses inadvertently included in our mailing lists. This problem is particularly difficult when we merge multiple mailing lists. Another thing l'm doing relates to envelope size. Departments that use envelopes larger than 631 by 1131 are costing us a lot of money. which they do not realize. Therefore. 1 am making a proposal to all departments to limit the envelope size.Finally. l' m looking into the possibility of presorting some of our first- and third-class mail. Mailings that are presorted are charged less.George Miller
燃油系统中进入空气将使输油泵的()不连续,造成柴油机启动虽能发火,但启动不起来。
普大心型的常见病因是________、________和________。