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Achenes sessile; body narrowly ovoid or narrowly ellipsoid, ca. 2 mm; veins ca.

瘦果无柄；身体狭卵球形或狭椭圆形，约2毫米；约的脉8。

Stamens (4 or)5; filaments ca. 2.5 mm; anthers elliptic, ca.

雄蕊4或5；花丝约的2.5毫米；花药椭圆形，约1.5毫米。

Stamens 10; filaments ca. 1 mm; anthers linear-oblong, ca.

雄蕊10；花丝长约1毫米；线状长圆形的花药，长约1.5毫米。

In this study, in order to examine the dynamics of tip [Ca2+]i together with the dynamics of tip-localized F-actin in vivo, a kind of double labeled material was constructed. The Ca2+ and actin microfilaments of Arabidopsis pollen tubes were labeled by cameleon and GFP-mTalin respectively.

本研究以拟南芥花粉管为材料，通过转基因技术，将分别标记Ca~(2+)和微丝的两种荧光蛋白cameleon与GFP-mTalin在花粉管中同时表达，实现活体花粉管中Ca~(2+)与微丝的同时标记。

To study the influences of diets with different calcium and phosphorus levels and with added phytase on the fattening results of egg-type cockerels,600 one day egg-type cockerels were divided into three groups and fed with diet in which higher level of Ca and P were designed according to the National Feed Standard of Broilers,low Ca-P level diet which contained 50%CaHPO4 of the control group and diet which was added with 0.2 g.kg－1 phytase on the basic diet of group Ⅰ respectively.

600只1日龄商品代蛋公雏被均等分为3组，分别给以按国标肉仔鸡饲养标准设计的高钙磷日粮，将CK组磷酸氢钙减少50%设计的低钙磷水平日粮及在试Ⅰ组基础上按每kg日粮添加0.2 g植酸酶，探讨不同钙磷水平及添加植酸酶对育肥蛋公雏饲养效果的影响。

Culms ca. 2 m tall, 1–2 cm in diam.; leaf blades ca.

秆约2米高，1-2厘米直径；叶片约50×1-2 厘米 8 S。

Stamen fascicles each with ca. 50 stamens, longest 1.2-1.5 cm. ca. 3/5 as long as petals.

雄蕊束簇其中每个大约50雄蕊，最长的1.2-1.5厘米，长约为花瓣的3/5。

Stamen fascicles ca. 1 cm, with 20-30 stamens; filament ca. as long as stalk; connectives with glands or not.

雄蕊束簇长约1厘米，具20-30雄蕊；花丝约与柄等长的；药隔具腺体与否。

Dense glomerules axillary or inserted on smaller-leaved or leafless branches; peduncles very short (ca. 1 mm) or almost absent; bracts small, ca.

紧密的团伞花序腋生或着生于较小叶或无叶的枝；花序梗非常短(长约1毫米)或几乎无；苞片小，约1×1毫米，三角形。

Spikelets 1–1.2 mm, florets 2; glumes boat-shaped, keeled, scabrous on vein, ca. 1 mm; lower glume subacute; upper glume truncate, awn 0.3–0.5 mm; lemma of fertile floret broadly boat-shaped, ca. 1.2 mm, leathery, pilose along keel and incurving margins; palea obovate, narrower than lemma, keels scabrous; upper lemma much reduced, cuneate, lying within concave back of palea of fertile floret.

小穗1-1.2毫米，小花2；颖片舟状，龙骨状，粗糙的在脉上，约1毫米；更低的颖片近尖；上面颖片截形，芒0.3-0.5毫米；宽舟状的肥沃的小花的外稃，大约1.2毫米，沿着龙骨和incurving 边似皮革，具柔毛；倒卵形，狭窄比外稃，粗糙的龙骨的内稃；上面外稃非常退化，楔形，躺在内凹在内稃的能育小花后面。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐