珠缘

A plane with a concave blade for making moulding with beadwork.

有凹刃可以用珠缘来浇铸的刨子。

The Ulan Uzhur copper deposit, situated on the western margin of the Qaidam basin is a porphyry copper deposit controlled by granite porphyry dikes.

乌兰乌珠尔斑岩铜矿位于柴达木盆地西缘，为受花岗斑岩脉控制的斑岩型铜矿。

Gynoecium (2 or)3-5(-15)-carpellate, gynophore present or rarely absent; ovary superior, entire or deeply lobed, generally long styled; placentation basal, axile or parietal, rarely laminar; ovules 1 or 2 or numerous per locule; stigma entire or sometimes shortly divided at apex. Fruit fleshy or non-fleshy, generally a septicidal capsule, rarely a nut with accrescent sepals or a drupe, or separating into up to 15 blackish drupelets on a colored accrescent receptacle.

雌蕊群(2或者) 3-5 (-15)具心皮，雌蕊柄有或有时无；子房上位，全缘的或者深裂，通常有长花柱；胎座式为基底胎座，中轴胎座或者侧膜胎座，很少片状胎座；胚珠1或每子房室或许多的2；柱头全缘或者有时在先端短裂。

Bracts of seed cones with margin narrower, entire or almost so; integument tube 1-2 mm, straight or slightly curved; seeds 1 or 2; shrubs or subshrubs often more than 50 cm.

球果具边缘狭窄的苞片，全缘的或几乎如此；珠被筒部1-2毫米，直或稍弯曲；种子1或2；灌木或亚灌木通常超过50 厘米 6

In conventional sexual hybridization of citrus, nucellar polyembryony, pollen/ovule sterility, genetic heterozygosity, wild sexual incompatibility of most citrus cultivars make it very time-consuming and low efficiency to improve fruit characters.

但是，由于柑橘类植物中存在的珠心胚现象、一些品种中的雌雄性败育、童期过长、远缘有性杂交不亲和等特点使通过传统的有性杂交方式进行品种改良进程缓慢，效率不高。

Ovary entire,(2 or)3-carpellate, 1-locular; ovules many, on parietal to basal placentas; style inserted at apex of ovary, persistent; stigma punctiform.

全缘的子房，(2或)3具心皮，1室；胚珠很多，侧膜胎座到基生胎座；花柱着生的在子房先端，宿存；柱头点状。

The part of a historical period is single, be born on stem tuber, petiole grows 8 ～ 25cm, constant purple or green have violet spot, in mid and the following give birth to one bead bud; Form of form of egg of shape of blade long circle, egg of long triangle shape or form of heart shape halberd, grow 20cm of 5 ～, wide 3 ～ 8cm; Tip is long gradually pointed or submit end form sometimes, base form of ministry deep heart, often be above sinuosity have 1 bead shoot, above green, often take below lilac, whole reason, side arteries and veins feather shape, combination is in in close brim.

叶单一，生于块茎上，叶柄长8～25cm，常紫色或绿色具紫斑，在中部以下生一珠芽；叶片长圆状卵形。长三角状卵形或心状戟形，长5 ～20cm，宽3～8cm；先端长渐尖或有时呈尾状，基部深心形，常在弯曲处上面有1珠芽，上面绿色，下面常带淡紫色，全缘，侧脉羽状，在近边缘处联合。

Leaf blade membranous, secondary veins free to margin, without submarginal vein

叶片膜质，对边缘的次脉离生，没有近缘脉 4 Maesa montana 金珠柳

Ovary 3-carpelled, with many ovuled parietal placentae; styles nearly erect or usually ± curved downward,± thickened or sometimes gradually tapering toward apex, entire or variously appendaged; style apex and stigma variously shaped.

子房3心皮，具很多胚珠侧膜胎座；花柱近直立或通常多少弯曲向下，多少加厚或有时逐渐向先端渐减，全缘或各种附属物；花柱先端和柱头形状各异。

Female flowers: pedicels terete or angular; sepals as in male; disk saucer-shaped or patelliform, sometimes thickened, entire or lobed; ovary (2 or)3(or 4)-locular; ovules 2 per locule; styles free, spreading, apex bifid or entire.

雌花：花梗圆柱状或者具角；萼片与雄花中相似；花盘茶托状或小盘状，有时加厚，全缘或具裂；子房(2或者)室3(或4)；每室胚珠2；花柱离生，平展，先端2裂或全缘。

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。