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当前学科：中级通信工程师
题目：
判断题
在CDMA系统中，工程上使用的两个导频PN之间的最小相位差是64×PILOT-INC个PN码片。
A
对
B
错
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BGP在路由器上以下列两种方式运行：（）。
银膜
Boredom at Work ① You might find yourself staring at the clock, willing it to move faster so the boring workday will finally end. If your job offers little in the way of stimulation, there are steps you can take inside and outside the workplace. ② If you're bored with your job, it could be a sign that you've mastered the basic requirements and are ready for more of a challenge. You might not have been in your position long enough to request a promotion. Still, you can take steps to enhance your current role. Ask your boss if there are any projects you can help with. Volunteer to train less experienced colleagues. You'll feel more stimulated at work and also increase your chances of future advancement. ③ If you feel there is nothing left to learn in your present position, take steps to increase your knowledge. Your company's website might have online courses you can take during your slow periods, with your manager's permission. Enroll in training classes your company offers in areas that interest you. You also can pursue educational opportunities outside of the workplace, such as college classes, industry-specific training programs or self-improvement courses. If the knowledge you acquire doesn't help you in your present position, it might eventually help you move into a more fulfilling position. ④ Look for ways to challenge yourself. If your job involves performing repetitive tasks, set a quota for the number of times you can accomplish a particular task during the course of a shift. This will give you something to shoot for. If you have co-workers who perform the same tasks, make a friendly wager to see who can do the most. You'll form stronger bonds with your colleagues, and your employer is likely to notice your increased productivity. ⑤ According to psychotherapist and career coach Nina Ham, boredom at work might be a symptom of dissatisfaction with your personal life. Finding sources of stimulation outside of work can have a positive impact on your attitude toward your job. Seeking counseling for an emotional issue can also be of benefit. If your personal life is going well and nothing you try seems to improve your engagement level at work, it might be time to consider a job or even a career change. If your job offers you little stimulation, there are steps you can take（）
当血pH下降时，血液中离子化钙水平（）
同步发电机机端电压与电网电压的差值的波形是标准正弦波。()
求矩阵A=的秩。
下面尺寸线说法中正确的是（）
难治性癫痫约占全部癫痫的（）
本病的特点是：①全身组织发育不良；②易发生反复感染；③易发生GVHR；④易发生自身免疫病或肿瘤。该病是（）
以下关于“上海合作组织”的说法正确的是（）