黑盒测试往往会造成测试用例之间可能存在严重的冗余和未测试的功能漏洞。
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测定细菌、放线菌大小一般以()单位,而测定病毒的大小则以()为单位。
A seaman has a small,gaping laceration of the arm that is not bleeding excessively. What can be done as an alternative to suturing to close the wound?()
A. Wrap a tight bandage around the wound
B. Apply a compression bandage
C. Use temporary stitches of sail twine
D. Apply butterfly strips,then a sterile dressing
普通低碳钢热轧圆盘条不允许有压痕及局部的凸块。
A. 正确
B. 错误
提升机按缠绕机构的形式,可分为缠绕式和()两大类。