weak or absent surveillance and monitoring systems;
监测和监督系统薄弱或缺乏；
But in general, such networks are either weak, or absent.
但是通常来说，这种网络要么薄弱要么缺失。
Conversely, it will be reduced or absent where they do not.
而反之，则会减弱或消失。
Excess androgens can cause irregular or absent ovulation and menstruation.
过多的雄激素导致不规则排卵或不排卵和闭经。
They were also not more likely to have problems in school, be suspended or absent.
他们更不可能会在学习方面更有麻烦，可能的是他们会停课或缺课。
And, in many cases, complexity may initially arise when selection is weak or absent.
而且在许多情况下，复杂性最初可能出现在选择薄弱或者缺乏选择的时候。
Leucocyte may be reduced or absent during chemotherapy treatment of cancer patients.
恶性肿瘤患者经周期性化疗后经常出现白细胞减少或缺失。
Ensure that Staff report to work as scheduled. Document any late or absent employees.
确保员工是按照排班表在工作。记录下员工的迟到或是缺席。
Ensure that staff report to work as scheduled. Document any late or absent employees.
保证员工按照时间表工作，记录任何迟到或旷工员工。
Ensure that Staff reports to work as scheduled. Document any late or absent employees.
确保员工是按照排班表在工作。记录下员工的迟到或是缺席。
Symptoms include decreased or absent reflexes and muscle tone, weakness, or paralysis.
症状包括反应和肌肉张力的降低或缺失、虚弱或瘫痪。
These are triggered by your thoughts while the human monitors remain silent or absent.
这些由你的想法触发，当人类监测器保持安静或不用。
The student should observe the training schedule. The student must try not to be late or absent for training.
学员必须留意练习时间，日期等；不可迟到，早退或无故缺课。
But if the father is cold, critical or absent, the daughter will tend to feel she's not very lovable or attractive.
但如果父亲是一个冷漠、喜欢挑剔或者心不在焉的人，女儿会感到自己不太可爱或者缺乏魅力。
It is a common cause of hirsutism and is frequently associated with irregular or absent ovulation and infertility.
是多毛症的常见病因，常与不规则排卵或不排卵的不孕有关。
Rather than being driven by selection, they propose that complexity initially arises when selection is weak or absent.
与其说生物受选择驱动，倒不如主张，复杂性最初就出现在选择薄弱或缺乏选择的时候。
Nectar glands 1, 2, or 4, distinct or confluent and subtending bases of all stamens; median glands present or absent.
蜜腺1，2，或4，汇合的离生或和全部雄蕊基部；中间的腺体宿存或无。
In the case of email spam each feature might indicate whether some specific word is present or absent in the mail to classify.
在过滤垃圾邮件的情况下，每个功能可能会显示一些特定的单词是否存在或不存在的邮件进行分类。
Polycystic ovary syndrome:Endocrine disorder in women, characterized by High androgen levels and infrequent or absent ovulation.
多囊卵巢症候群：妇女内分泌疾病，因雄激素过高而阻碍了排卵。
Polycystic ovary syndrome: Endocrine disorder in women, characterized by high androgen levels and infrequent or absent ovulation.
多囊卵巢症候群：妇女内分泌疾病，因雄激素过高而阻碍了排卵。
Some screws of the lid are usually covered by the sticker so if the lid was opened before you can see that it is damaged or absent.
盖子螺丝一些通常由标签覆盖，如果盖子被打开之前，你可以看到，它已损坏或缺失。
The other genetic convergence s Dr Hu recorded were related to the digestion and metabolism of substances scarce in, or absent from, bamboo.
胡博士记录的其他遗传转化与竹子中缺乏或缺失的物质的消化和代谢有关。
This review found that the diagnosis of myocardial infarction is more difficult after surgery since classic symptoms may be atypical or absent.
本综述发现，由于心肌梗死的典型症状不典型或缺失，其术后诊断更困难。
At the early stage of FFA, all or a part of the optic disc had postponed or absent fluorescence filling with the corresponding visual field defects.
眼底荧光素血管造影早期视盘全部或部分荧光充盈延缓或缺损，伴有相应的视野缺损。
Mobile phones increase the flow of information, and the speed at which it can be processed, in a world where information used to be confused or absent.
在一个曾经信息混乱或是缺乏的世界里，移动电话增加了信息流动，并提高了处理速率。
Some of the senses that we and other terrestrial mammals take for granted are either reduced or absent in cetaceans or fail to function well in water.
对我们人类以及其他的陆地哺乳动物来说，有些感官是与生俱来的，然而对于鲸鱼来讲，这些功能要么已经衰退或彻底消失，要么就无法在水中正常发挥作用。
Some of the senses that we and other terrestrial mammals take for granted are either reduced or absent in cetaceans or fail to function well in water.
当然我们和另外一些陆地上的哺乳动物的一些器官或减少，或与鲸鱼不同，或丢失在水中很好生存的功能。
Because ferrous metals (steel and cast iron) are by far the most widely used metals, coverage of nonferrous metals in these books is cursory or absent.
由于有色金属(钢和铸铁)是目前使用最广泛的金属，报导有色金属这些书籍是粗粗或缺席。
Men who are habitually shamefaced or absent-minded before the ideal-that is, before the actual nature of things-cannot expect to be real readers of books.
对理念——也就是万物的真正本质——习惯性羞愧或麻木的人，不可能成为真正的读者。
Men who are habitually shamefaced or absent-minded before the ideal-that is, before the actual nature of things-cannot expect to be real readers of books.
对理念——也就是万物的真正本质——习惯性羞愧或麻木的人，不可能成为真正的读者。
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