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The stem was cut into several segments away from the pine seeding, arranged and collected in the order of chronology time and distance from where they were inoculated. To separate B.xylophilus coarsely out from the stems and made them into paraffin slices. And be observed under the potics microscope by dyed with safranin-fast green contrast-stain method and PI fluorescence stain method. In order to find out how about the nematode rigour distributing , but also ebb and flow of their amounts after invading the host pine seeding. Seek the pathological changing orderliness of host cells in different position along with the remotion of nematodes. By deeply analysing the variety of host cell nucleolus to estimate whether the host cell took place the programmed cell death after inoculated B.xylophilus.

按时间进程和与接种点上下距离的远近，对松苗分茎段进行粗分离和制作成石蜡切片，分别用番红-固绿双重染色法和碘化丙锭荧光染色法在光学显微镜下观察，以了解线虫侵染后在寄主体内的准确分布和数量的消长，寻找随着线虫的移动扩散，寄主不同部位细胞病变的数量、速度发生的变化规律，并进一步通过分析其细胞核的变化来判定松材线虫侵染后是否能诱发寄主细胞发生程序性死亡(programmed cell death，PCD)。

Thus, the design of the building stems from the unique cha racter it must assume in order to recover the dignity and representativity of a public building, in contrast with the aesthetic ideal presiding over the conception of shopping centres, although the dimension of such projects cannot be compared to each other.

因此，该建筑的设计灵感源于它必须承担的独特性质，以恢复公共建筑的尊严和代表性，同时与购物中心审美概念结合，虽然这些项目层面不能相互比较。

Its not going to be center, but will ride on the high side of the stems crown, or to the outside or the stem.

它不会是中心，但乘坐的茎冠，或干外面或偏高。

A plant disease caused by a rust fungus, characterized by reddish or brownish spots on leaves, stems, and other parts.

锈病：由锈菌引起的一种植物病，特点是叶子、茎和其它部分上有红色或褐色的斑点

Self-confidence stems from the guarantee product quality and production environment and safety measures.

自信的保证源自产品质量和生产环境及安全等措施。

Any of various plants of the genus Salicornia,growing in salt marsh es and having fleshy stems and rudimentary,scalelike leaves.

欧洲海蓬子一种海蓬子属的植物，生于盐水沼泽，具有肉质茎和发育不完全的鳞状叶

The plant is an efficient sand binder, and the prostrate, rooting stems form widely spreading mats.

植株是一名有效率的沙装订工人和匍匐，根茎形成宽平展的垫席。

Near the end of May,the sand cherry adorned the sides of the path with its delicate flowers arranged in umbels cylindrically about its short stems, which last, in the fall, weighed down with goodsized and handsome cherries, fell over in wreaths like rays on every side.

五月尾，野樱桃（学名Cerasus pumila）在小路两侧装点了精细的花朵，短短的花梗周围是形成伞状的花丛，到秋天里就挂起了大大的漂亮的野樱桃，一球球地垂下，像朝四面射去的光芒。

Every one of the vulnerabilities discussed in this chapter stems directly from trusting data that comes over the wire and then failing to sanitize that data before using it.

在这一章所提到的所有的安全隐患都直接源自对传入数据的信任，并且在使用前不加处理。

Changes of endogenous ZT and GA3 in stems and leaves of spring shoots of citrus Satsuma on the stock of Poncirus trifoliuta during the period o flower bud formation were determined by HPLC and TLC respectively.

用高效液相色谱法和薄层荧光色谱法分别测定了宫川温州蜜柑花芽分化过程中内源玉米素和赤霉酸(GA3)的含量变化。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失