The lower stem is physically pulled away from the seat instead of being lifted away by the spring.
下阀杆是被从阀座上物理地推开，而不是被弹簧举起来。
The lower stem is encased in a spring which forces the stem away from the seat when the valve is opened.
当手轮象开启位置旋转时，上阀杆离开横膈膜，弹簧推动下阀杆离开阀座。
When the upper stem rides up and down on its threads it now moves the lower stem by a mechanical connection.
当上阀杆沿着它的螺纹上下运动时，通过机械连接带着下阀杆一起运动。
SOD and POD activity descended apparently, and chlorophyll contents and photosynthesis declined in senescent leaves of lower stem.
主茎下部衰老叶片的SOD、POD活性明显降低、叶绿素含量减少、光合作用功能衰退。
In rice (Oryza sativa), the shoot-borne crown roots are the major root type and are initiated at lower stem nodes as part of normal plant development.
水稻地上部形成的冠状根主要是在低位茎节上长出的根，是植物正常发育一部分。
When the handwheel is rotated toward the open position the upper stem is moved away from the diaphragms allowing the spring to push the lower stem away from the seat.
当手轮象开启位置旋转时，上阀杆离开横膈膜，弹簧推动下阀杆离开阀座。
The other three species differ in the proportion of lower leaves and higher stems that they eat: zebras eat the most stem matter, wildebeests eat the most leaves, and topi are intermediate.
其他三种动物的区别在于它们食用的低处枝叶和高处茎杆的比例不同：斑马吃茎杆最多，角马吃叶子最多，而转角牛羚则介于两者之间。
The vests will not protect drivers from head wounds, but data shows that the vast majority of attacks stem from knife attacks or gunshots to the drivers' lower back or side.
虽然防弹背心不能保护司机的头部，但数据显示，在大部分司机遇袭事件中，司机的背部下方或侧面受刀伤或中弹。
AIM: To investigate the application of stem cell transplantation in the treatment of lower limb ischemia.
目的：探讨干细胞移植在下肢缺血性疾病治疗中的应用情况。
The goal of treatment is to lower HIV levels to help the immune system renew itself and keep people healthier longer, in part to stem the spread of the virus.
治疗目标是降低艾滋病毒水平，以帮助免疫系统的自我更新，并保持人民较长的健康，部分原因也是为了阻止病毒扩散。
Adventitious roots arising from lower nodes and providing support to a stem.
由下部茎节发出的、支撑茎的不定根。
Europe's efforts to stem its financial crisis cleared a hurdle Thursday as Germany's lower house approved plans to expand a bailout fund for Greece and other shaky eurozone economies.
欧洲为遏制金融危机的努力扫清一道障碍，德国议会下议院星期四通过了扩大对希腊和其它脆弱的欧元区经济体的援助资金规模的计划。
The alkaloid contents were highest in root and stem base phloem of Amur corktree saplings, and lower in leaves, xylem and periderm.
黄檗幼树根韧皮部和茎干基部的韧皮部中主要药用成分含量很高，而叶片、木质部和周皮很低。
Autologus bone marrow stem cell (BMSC) transplantation; Lower limb ischemia; Therapeutic angiogenesis.
自体骨髓干细胞移植；下肢缺血；治疗性血管生成。
AIM: to observe the effect of autologous peripheral blood stem cell transplantation (PBSCT) on amputation rate and amputation level in ischemic diseases of lower extremity.
目的：观察自体外周血干细胞移植对下肢缺血性疾病截肢率及截肢平面的影响。
Objective: to observe the efficacy and safety of autologous stem cell transplantation in treatment of diabetic lower limb ischemia.
目的：观察自体干细胞移植治疗糠尿病足的可行性及安全性。
The lower part of its cotyledon node zone is cotyledon node zone-root transition region, and its upper part is cotyledon node zone-stem connection region.
在子叶节区下部存在子叶节区—根过渡区；子叶节区上部存在子叶节区—茎连接区。
A spring on the valve stem tends to hold the valve on its seat (closed). The lower end of the spring rests against the cylinder head.
气门杆上的弹簧使气门保持在气门座上(关闭状态)。弹簧的下端抵在气缸盖上。
Along with sow to expect of postpone behind the corn trumpet expects a stem heavy lower gradually, the root of whiskers counts the gradual decrease.
随着播期的延后玉米喇叭口期根干重逐渐降低，须根数逐渐减少。
Of a leaf shape; round with the stem attached near the center of the lower surface rather than the margin as a nasturtium leaf e. g...
一种叶子形状；圆形，其茎依附在较低表面的中心附近而非边缘，比如旱金莲花叶等等。
OBJECTIVE: To evaluate the safety, near and long-dated efficacy of autologous bone marrow stem cells implantation for the treatment of severe lower extremities ischemia.
目的：了解自体骨髓干细胞移植对于治疗下肢动脉缺血性疾病的安全性、近期及远期疗效。
Lower relapse rates and longer remissions have been reported in patients receiving stem-cell transplants from other donors compared to transplants using the patients own stem cells.
接受体外干细胞移植的患者与自体干细胞移植的患者相比，复发率更低，减免期更长。
The integration site may posited at lower brain stem.
共整合部位则位于低位脑干。
Objective to evaluate the long-dated efficacy of autologous bone marrow stem cells implantation for the treatment of severe lower extremities ischemia.
目的了解自体骨髓干细胞移植治疗下肢动脉缺血性疾病的疗效。
Stem cell transplantation in the treatment of lower extremity ischemia has been initially sure.
干细胞移植治疗下肢缺血的疗效已初步肯定。
AIM: to investigate the efficiency of autologous transplantation of bone marrow stem cells for treatment of patients with severe lower limb ischemia.
目的：观察自体骨髓干细胞移植治疗下肢严重缺血的疗效。
Higher density stands reach quatitive maturity earlier than lower density stands, the annual stem volume produced by unit land area of higher density stand is larger than that of lower density stands.
随着密度的增加，林分达到数量成熟期的年限变短，若以数量成熟期为采伐年限，则单位面积年均材积产量仍以高密度林分为最大。
Higher density stands reach quatitive maturity earlier than lower density stands, the annual stem volume produced by unit land area of higher density stand is larger than that of lower density stands.
随着密度的增加，林分达到数量成熟期的年限变短，若以数量成熟期为采伐年限，则单位面积年均材积产量仍以高密度林分为最大。
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