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跳线或馈线需要弯曲布放时，要求弯曲角度保持（），弯曲半径必须符合（）。
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根据以下材料回答题： Age DiscriminationBy the year 2000 nearly half the workforce in Europe are over 40 and yet throughout Europe there is a deep ambivalence ( 犹豫 )-if not outright suspicion-towards the capabilities of older workers.Those over the age of 40 generally take longer to find new employment, but European governments have done little to protect their employment rights. Only Germany, with incentives to business to encourage the employment of older people, and France, with the introduction of legislation making it illegal to use age barriers in recruitment-or to make employees redundant because of their age done anything substantive to combat age discrimination.Yet even in these two countries, there has been no noticeable improvement in the lot of the older workers; indeed, in France, job advertisements flout ( 轻视，反对 ) the law openly by asking for applicants of a certain age. So, should France and Germany be tightening up their laws and should the rest of Europe follow suit?Bill Robbins, a careers consultant said, "Legislation against age discrimination has been in existence for well over ten year in the U.S. and Canada, but has had no effect. Employers will always be able to find some reasons for turning down an older applicant without appearing to break the law."Ironically, it was governments which played a leading role in hardening business culture against older workers in the first place. In the late 1970s, many European countries were extremely concerned about the levels of youth unemployment, and France, Germany and Belgium even initiated incentive schemes for businesses to encourage older employees to take early retirement provided that younger trainees were taken on in their place. As more and more employees took early retirement, often willingly, a new, youth-oriented culture permeated business throughout most of Europe-even in those countries that had taken no active measures to promote it.Demographic ( 人口统计学的 ) trends mean that governments are now anxious to slow down the policy of early retirement as they realize that they simply do not have the funds to meet their pension promises. But reversing business attitudes is no easy matter. Dianah Worman a policy adviser said, "There is a widely held belief that older people are less, adaptable and trainable. This is just not true: research has shown that differences in capability are as wide within age groups as they are between them."Which of the following words can best describe the European attitude to older workers?
一个人的成缓与同年龄组被测试的平均成绩相比较而得的相对分数指（）
女，33岁，欲妊娠1年未孕，GPAL，平素月经规律，经量偏少。月经第3天查血FSH10.8IU/L、LH7.9IU/L、T22ng/ml，月经第18天B超示双侧卵巢无优势卵泡，子宫内膜厚约0.8cm。男方精液常规检查：精液量3.5ml，精子密度32×106，a级12.5%，b级23.3%。该患者应进一步进行的检查有()
患者，男，42岁。右舌下腺及囊肿摘除术后出现右颌下区胀痛，进食时症状加重，最可能的原因是（）
预防医学
以下哪一项不是片剂处方中润滑剂的作用（）