长合

Eight pairs of twins were collected. Twin zygosity diagnosis were made by micrsatellite DNA polymorphism. The collected data included clinical oral examination and measurements of dental model. The heritability of tooth mesiodistal diameter, the length of dental arch and crowding factor were systematically analyzed.

以48对双生子作为研究对象，应用卵型鉴定技术分为单卵双生子组和二卵双生子组，采取牙牙合石膏模型并进行测量，获取牙齿近远中径大小、牙弓弧长及牙列拥挤度等数据；采用Holzinger经典双生子法计算遗传度。

Ordos Basin is a large multicycle superimposed basin, developed on the basement of early Proterozoic crystalline basement.

叠合盆地由于其形成演化、沉积建造的多旋回性，因而油气勘探具有勘探难度大、勘探时间长、勘探潜力大的特点。

In novative financing in accordance eyes as clear as the functions and instincts of this new perspective, from the heavy learning that cause young people to start the root causes of myopia, myopia prevention and control of relying on long-term perspective can be simply thought the eyes and the fog, as the combined image to combination therapy, adaptive adjustment of the eye, through the 100 days to read and write mirror, looking at nearly two hours to reach the visual axis parallel to the relaxation of the telescope and adjust the state of near vision will be a lot of work transformed into a long look much exercise, not only can enhance distance vision, reducing the degree of myopia, and cleverly solved the telescope and see this contradiction, to make myopic to prevent, control and improve the end, so keep your eyes light up.

开创性地根据双眼融像功能及视清本能这一全新视角，从繁重学习这一造成青少年近视的根源入手，依托望远可以防控近视的朴素思想，将双眼合像法与雾视疗法有机结合，对眼球进行自适应调整，透过百天读写镜，在看近时达到两眼视轴平行和调节放松的望远状态，将大量的视近作业转化成了长时间的望远锻炼，不但可以增强远视力，降低近视程度，并且巧妙地解决了望远与看清这一矛盾，能够使近视患者达到防止、控制、提高的目的，从而让您的眼睛亮起来。

Inflorescence spikelike, cylindrical, composed of spiny or bristly deciduous burrs arranged along an angular, often sinuous rachis; burrs sessile or with an obconical basal stipe, each composed of 1 or more sessile spikelets surrounded by an involucre of spines and bristles; bristles flexuous or more often spinous,± flattened, grooved on the outer face, united below, the degree of union varying from a small basal disk to a deep cupule, inner spines or bristles often ciliate around spikelets. Spikelets lanceolate, acute; glumes unequal, shorter than spikelet, lower sometimes suppressed; lower floret membranous, staminate or neuter; upper floret firmer, protogynous.

花序穗状，圆筒状，由落叶的毛刺沿着一具角安排的具刺的或具刚毛，通常波状的轴组成；毛刺无梗或具基部的倒锥状柄，每一个由1无梗或更多组成以总苞的刺和刚毛包围；或更多的刚毛曲折通常spinous，多少扁平，在外面上具凹槽，下面的合生，协会的度从一小的基部的花盘变化到一深的壳斗，小穗披针形，锐尖；不等长的颖片，短于小穗，降低有时压抑；更低的小花膜质，雄蕊花的或中性；坚定的上面小花，雌蕊先熟。

Fruit dehiscent silicles or rarely siliques, obpyriform, obovoid, or rarely linear, shortly stipitate; valves leathery, often with a prominent midvein, smooth, margins of 2 valves flattened and connate, apex abruptly caudate and extending 1-2 mm into style; replum rounded, concealed by connate margins of valves; septum complete; style 1.5-4 mm; stigma capitate, entire.

果开裂短角果或很少长角果，倒梨形，倒卵球形，线形的或很少，具短柄；裂爿革质，通常具一突出，平滑，边缘的扁平的2裂爿和，尾状的先端突然和把1-2毫米延长到花柱那里；假隔膜绕行，被合生的裂片边缘隐藏；隔膜完全；花柱1.5-4毫米；柱头头状，全缘。

Stamens 5–10, hypogynous or perigynous, in 2 whorls alternately longer and shorter, those opposite petals often shorter and abortive; filaments free or shortly connate at base; anthers didymous, dorsifixed in proximal 1/2, introrse, short, dehiscing longitudinally.

雄蕊5-10，下位或周位，2轮，一轮较长，一轮较短，与花瓣对生的通常短并且败育；短的花丝离生或在基部合生；花药成双，在近端1/2背着，向内，短，纵向开裂。

Any of several perennial reeds of the genus Phragmites in the grass family, found worldwide in marshes and wetlands and having stems up to nearly6 meters(20 feet) long.

芦苇属禾本科禾本科中的一种芦苇属多年生的芦苇，在世界各地的沼泽和湿地都有发现，有近六米（合20英尺）长的茎

Mitochondrial 16S rRNA gene fragments were amplified from Pinctada fucata, P.

利用PCR技术分别扩增合浦珠母贝、长耳珠母贝P。

Penguin. The NJ tree indicated that P. fucata and P. chemnitzi were assembled together with Pinctada species, yet P. penguin assembled together with the Pteria species, which was consistent with the morphological classification.

NJ系统进化树表明合浦珠母贝和长耳珠母贝与珠母贝属的种类聚在一起，而企鹅珍珠贝与珍珠贝属的种类聚在一起，与形态学分类一致。

Male flowers: free, surrounded by peltate to clavate interfloral bracts; calyx tubular, slightly 2-lobed or 2-4-lobed; lobes imbricate or valvate; stamen 1, straight in bud, slightly to conspicuously exserted from calyx; anthers globose to oblong, 2-loculed; pistillode absent.

雄花： 离生，被盾形到棍棒状的花内苞片包围；花萼管状，稍2裂或浅裂；裂片覆瓦状的或镊合状；雄蕊1，在芽中直，从花萼稍外露到显著；花药球状的到长圆形，2室；退化雌蕊缺席。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。