一次检查显示，他的肺部左下叶有一小块肿瘤，但尚未扩散。
A checkup revealed a small tumour on the left lower lobe of his lung, but it had not yet metastasized.
驯鹿喜欢青苔，因此如果周围没有饥饿的驯鹿，一大片青苔就会覆盖在森林地下叶层。
Reindeer love lichen, so without hungry reindeer around, thick carpets of lichen cover the forest understory.
野生撒尔沙、野生燕麦、玉竹和大量的林下叶层植物相继死光；宾夕法尼亚莎草之类的草类物种接管了领地。
Wild sarsaparilla, wild oats, Solomon's seal and a host of understory plants die off; grass-like species such as Pennsylvania sedge take over.
我们把它们称作中心树，或者更亲切地称之为母树。因为事实证明，这些中心树哺育着它们的小树，那些小树都处在林下叶层。
We call those hub trees, or more fondly, mother trees, because it turns out that those hub trees nurture their young, the ones growing in the understory.
目的：探讨下叶肺结核的CT表现。
Objective To discuss the ct manifestation of lower lobe tuberculosis.
一个脓肿在肺上叶，一个在肺下叶。
One abscess appears in the upper lobe and one in the lower lobe.
上叶片与下叶片通过销轴和滑槽连接。
The upper blade is connected with the lower blade through a pin shaft and a chute.
在左肺下叶支气管层面上，上段支气管发出。
On the section through left inferior lobar bronchus, superior segmenta1 bronchus appeared.
本文针对非设计工况下叶栅的分离流动进行研究。
This paper focuses on the unsteady characteristic of cascade separation flow under off-design condition.
目的：研究双侧椎动脉阻断后对小脑后下叶组织功能的影响。
Objective: To study the impact on posterior inferior lobe of cerebellum function after bilateral ligation of vertebrae artery.
探讨春剑在阴棚条件下叶斑病和沤心病的感病状况及用药防治效果。
The purpose was to discuss the flu disease status and medication effects of leaf spot disease and "Ouxin" disease of the Cymbidium longibracteatum under the cloudiness-shed condition.
研究了苗期大豆在干旱胁迫下叶片渗透调节能力与大豆抗旱性的关系。
The correlation between the leaves osmotic adjusting ability and the soybean drought-resistance in seedling phase under drought stress was studied.
脊柱层面，两肺下叶主要表现为上段、外侧底段和后底段的支气管和血管。
On the section through spinal column, the inferior lobes of bilateral lungs shows the bronchi, arteries, and veins of superior, lateral basal, and posterior basal segments mainly.
脊柱层面，两肺下叶主要表现为上段、外侧底段和后底段的支气管和血管。
On the section through spinal column, the inferior lobes of bilateral lungs mainly showed the bronchi, arteries and veins of superior, lateral basai and posterior basai segments.
结论：对右肺下叶底段支气管下部层面作CT扫描可以显示斜裂下部的影像；
Conclusion: The image of the inferior oblique fissure can be showed by the CT scan at the lower level of the basic lobe of right lung.
[目的]探讨春剑在阴棚条件下叶斑病和沤心病的感病状况及用药防治效果。
[Objective] The purpose was to discuss the flu disease status and medication effects of leaf spot disease and "Ouxin" disease of the Cymbidium longibracteatum under the cloudiness-shed condition.
CT扫描显示肝右下叶局限性低密度区，其内可见密度较高的树枝状肝静脉影像。
The computed tomography scan (CT scan) shows a local low density area with a higher density arborization-liked image of hepatic vein in the right lower lobe of liver.
在对时域和频域数据分析的基础上，论述了旋转失速和喘振状态下叶片振动响应的特征。
Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.
但是此温度下叶绿素含量仍明显增加，说明此时的氧化损伤还不足以影响植物的生长发育。
However, the content of chlorophyll was increased by this temperature, indicating the oxidative damage at this time was not enough to affect the growth and development of plant.
无论何时，你看到胸片上长期存在的网状影，并且多位于下叶和肺周边部，你应想到uip。
Whenever you see a chest film with long standing reticulation with a lower lobe and peripheral preference also think 'UIP'.
结果（1 ）肺内病变主要分布于上叶尖后段及下叶背段，其次为上叶前段和下叶各基底段。
Results (1)Most of intrapulmonary lesions located in superior lobe apicoposterior segment and lower lobe dorsal segment, superior lobe anterior segment and lower lobe basal segment.
测量了在不同光强下叶绿素环已烷溶液(77k)和酒精溶液(296k)的正电子湮没寿命谱。
The measurements of positron annihilation lifetime spectrum for chlorophyll in cyclohexane (77k) and in alcohol (296k) were carried out under illumination at different light intensity.
50隔着教堂墓地的停柩门，康米神父望到一畦畦的卷心菜，它们摊开宽绰的下叶向他行着屈膝礼。
50The lychgate of a field showed Father Conmee breadths of cabbages, curtseying to him with ample underleaves.
根据计算结果对大负攻角条件下叶栅二维分离流动的特点以及攻角对叶栅气动特性的影响进行了分析。
According to the obtained results, the behavior of the separation flow and the effects of negative incidences on the aerodynamic characteristics of cascade are analyzed.
研究表明，低马赫数情况下叶轮离散噪声主要是由脉动力造成，为降低低马赫数下的叶轮离散噪声提供了参考。
Results show that under small Mach number the main source of discrete noise is the fluctuating force, which gives a guide for cutting discrete noise down.
研究表明，低马赫数情况下叶轮离散噪声主要是由脉动力造成，为降低低马赫数下的叶轮离散噪声提供了参考。
Results show that under small Mach number the main source of discrete noise is the fluctuating force, which gives a guide for cutting discrete noise down.
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