He believes that as far back as 30,000 B.C., hunters may have used a system of notation, engraved on bone and stone, to mark phases of the Moon.
他认为，远在公元前30,000年以前，猎人可能会用一套刻在骨头和石头上的符号系统来标记月相。
Bone marrow cells are known to help restore blood and immune system function.
我们都知道，骨髓细胞可以造血，也可以恢复免疫系统的功能。
The body's endocrine system may interpret this loss of calcium as serious enough to warrant leaching the mineral from bone.
人体的内分泌系统会判断这些钙的流失是否严重到引起骨骼中的矿物质也流失。
Vitamin D strengthens the bone and musculoskeletal system.
维生素D可增强骨骼和肌肉骨骼系统。
Based on these findings, some studies suggest moderate beer consumption may help fight osteoporosis, a disease of the skeletal system characterised by low bone mass and deterioration of bone tissue.
基于这些研究成果，一些研究者认为喝适量的啤酒可能会有助于抵抗骨质疏松症，这是一种骨质含量偏低和骨组织出现恶化引发的骨骼系统疾病。
It develops when abnormal plasma cells in bone marrow multiply and accumulate, eventually damaging bones and other tissues in the body, and finally overwhelming the immune system.
其病因是骨髓中异常的血浆细胞大量增殖和积累，进而破坏骨骼和身体其他组织，最后摧毁整个免疫系统。
Drugs are available that increase white blood-cell production to counter any damage that may have occurred to the bone marrow, and to reduce the risk of further infections due to immune-system damage.
为了使白血球增多以防护辐射对骨髓的损害，在条件允许的情况下可以注射一些药物，这样能够防止其对免疫系统的进一步伤害。
The blink system starts with what researchers call an eyelid sling, a small piece of muscle or fabric that holds the eyelid. The sling attaches to bone around the eye.
眨眼活动是由研究人员所谓的眼皮吊所引起的，它是用于支撑眼皮的一小块肌肉或组织。
Bone marrow transplantation is a treatment option for patients with life-threatening diseases such as blood-related cancers, plasma cell disorders, and certain inherited immune system disorders.
骨髓移植是一种针对患有威胁生命的血细胞肿瘤、浆细胞紊乱和某些遗传性免疫系统紊乱病人的治疗措施。
It is the influence of muscle tonus upon bone formation that brings this aspect of morphogenesis back to an interaction with the central nervous system.
就是肌肉强直性对骨骼形成的影响把形态发生的观点拉回到与中央神经系统的互动中。
Bone tumor assisted diagnosis system is such a computer programme that applies the design theory and method of expert system, simulates medical expert diagnosis and treatment in bone tumor.
骨肿瘤辅助诊断系统是运用专家系统的设计原理和方法，模拟医学专家诊断、治疗骨肿瘤的思维过程而编写的计算机程序。
Metastases spread via the lymphatic system to cervical and mediastinal nodes, but sometimes to liver, lungs, and bone as well.
病灶通过淋巴系统转移到颈和纵隔淋巴结，有时也可能转移到肝、肺和骨。
This paper introduces a multi - temperature monitoring system for microwave hyperthermiatheropy of bone tumor.
论述了一种智能性多路骨肿瘤微波热疗监温系统的设计及实现方法。
Despite the rapid evolution of reconstructive technologies for the musculoskeletal system, bone grafting remains an important tool for modern surgeons.
尽管对于骨骼肌肉系统的重建技术在飞速发展，但骨移植对于现在的外科医生来说仍是主要方法。
Smoking not only stains the teeth, it affects the immune system and causes gum disease which can lead to bone and tooth loss.
吸烟不仅能熏黄牙齿，还会影响免疫系统，引起牙齿、骨质疏松的牙龈疾病。
Lead (Pb) accumulates in the blood, bone and soft tissues. It is not readily excreted and can affect the blood, kidneys, liver and nervous system.
铅积累在血液，骨骼和软组织中。铅难以被排出体外，可影响血液，肾脏，肝脏和神经系统。
The major androgen target organs of interest in regards to beneficial effects of TRT include bone, muscle, adipose tissue, the cardiovascular system and the brain.
TRT有益效应相关的主要雄性激素靶器官包括：骨、肌肉、脂肪组织、心血管系统和脑。
For the past 20 years or more, bone marrow transplants have been an effective treatment for disorders of the blood and immune system.
过去20多年来，骨髓移植一直是血液病和免疫系统疾病的一个有效的治疗方法。
Her new liver's blood stem cells then invaded her body's bone marrow to take over her entire immune system, meaning the teen no longer needs anti-rejection drugs.
新的移植肝脏造血干细胞侵入到她的骨髓来取代她自身全部的免疫系统，这意味着这个十几岁的孩子不再需要服用防排斥药物。
Lymphoid tissue Cells, tissues, and organs composing the immune system, including the Bone marrow, thymus, spleen, and lymph nodes.
淋巴组织：组成免疫系统的细胞、组织和器官，包括骨髓、胸腺、脾脏及淋巴结。
The motor system is composed of the bone, the bone union and the skeletal muscle.
运动系统由骨、骨连结和骨骼肌三部分组成。
Certain organs are at particular risk, including the spleen, kidneys, liver, bone, and even the central nervous system.
一些特定的器官特别危险，包括脾脏、肾脏、肝脏、骨骼，甚至中枢神经系统。
In patients with chronic ITP, the immune system is believed to destroy platelets and the patient's bone marrow is often unable to compensate for this loss.
在慢性ITP患者中，免疫系统在破坏血小板，而病人的骨髓增生往往是无法弥补这一损失。
The toxicological effects and the toxigenicity mechanism of the cadmium to lung, bone, kidney, blood vessel, immunity system, descendiblity and liver and procreation system were explained.
重点阐述了镉对肺、骨、肾、心血管、免疫系统、遗传、肝脏、生殖系统的毒害及其毒性作用机制。
The computerized bone age assessment information system was then set up to make the assessment process of bone age done by computer.
在此基础上建立计算机骨龄评定信息系统，使骨龄评定实现计算机化。
The computerized bone age assessment information system was then set up to make the assessment process of bone age done by computer.
在此基础上建立计算机骨龄评定信息系统，使骨龄评定实现计算机化。
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