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Chest x-ray reveals a 4 cm mass in the left upper lobe. CT scan of the lung reveals mediastinal adenopathy.

胸部X光显示肺左上叶有一4厘米肿块。

Aka: sinus histiocytosis with massive adenopathy (due to infiltrates of histiocytes and lymphoplasmacytic cells, CD1a-, a marker for histiocytosis X-, is absent).

窦组织细胞增生伴巨大淋巴结病（由于组织细胞及淋巴细胞的浸润，CD1a-，这是组织细胞增生症X的标记。

Chest x-ray reveals a 4 cm ma in the left u er lobe. CT scan of the lung reveals mediastinal adenopathy.

胸部X光显示肺左上叶有一4厘米肿块。

In Pteridaceae s. l., false veins can be found in Pteris, Adiantum, and vittarioids; in this thesis, Energy Dispersive X-ray element analysis and histochemical studies were used to confirm the false veins of these three taxa are composed of spicular cells – a kind of long, silica depositing epidermal idioblast.

於广义的凤尾蕨科中，假脉可见於凤尾蕨属、铁线蕨属以及书带蕨类群；本论文利用能量色散X光光谱仪元素分析，配合组织化学染色的结果，证实此三类群的假脉均是由具二氧化矽堆积的矽异形细胞(spicular cell， SC)所构成。

If you are a recent Mac adopter and are frustrated by the weird tab behavior in OS X, you aren't alone.

如果您是最近推出的Mac收养人与被OS X操作系统中的行为古怪的标签沮丧，你并不孤单。

The X-37 had its first flight as a drop test on April 7, 2006, at Edwards AFB .

在X - 37已进行了首次飞行试验作为一个下降4月7日，2006年，在爱德华兹空军基地。

Based on＂The Data Bank System of the Standard Phonetic Features of Different Level in PSC＂, the thesis analyzes the variants of affricative versus fricative in syllables: z, c ,s - zh, ch, sh - j, q, x which are obscure in physiology; analyzes timbre phonetic variants aroused from the different match of seven main simple vowels and initials as well as the tonal patterns with the help of drawing the synthetic spectrograph and pitch spectrograph. So that the data can be offered to describe phonemes in 396 syllables in common use according to the acoustic analysis.

本文在"普通话水平测试各等级标准语言特征数据库系统"的支持下，通过制作396个常用音节语音样本的音高图和综合语图，考察在普通话教学和测试中从生理角度难以准确把握的一组仅有细微差异的塞擦音和擦音声母z、c、s-zh、ch、sh-j、q、x在音节拼合中的变体；考察7个主要单元音在与不同声母拼合构成的音节中音质上的变化模式；考察四个声调的变化形式，力图从语音声学物理特征角度的分析中为普通话常用音节音位语音规范度的描写提供客观的数据说明。

Methods:The 13 cases of congenital pulmonary agenesis and hypoplasia were veritfied by bronchcscopy and operation or pathology the characteristics of the X-ray,CT and bronchography were analysed.

对13例先天性肺不发育和发育不良经支气管镜检、手术或病理证实的X线平片、CT扫描、支气管造影分析其影像学表现。

Again reflecting the typical style of a BMW X model, the foglamps are positioned far to the outside, just above the air intake scoop.

再次反映了宝马X模型的典型风格，雾灯的位置远远外，略高于进气口。

This article has analysed the principle of the heat and mass transfer in air washer and deduced the relative equations between the different heat transfer coefficients from which the values of η_1,η_2 and X can bo known as related to each other.

本文探讨了喷水室中的热湿交换机理，导出了反映不同换热效率之间的关系式，从中可知，η_1，η_2和X值是相互有关联的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。