果核

Fruit ovoid, dark red, with 2 or 3 pyrenes; petals red.

果卵球形，暗红色，具2或3果核；花瓣红色。

Fruit red, globose to ovoid or obovoid, with 2 or 3 pyrenes; inflorescence 3–15-flowered.

果红色，球状到卵球形或倒卵球形，具2或3果核；花序3-15花。

Leaves not more than 15-foliolate; stigma punctiform to capitellate

果红色，球状到卵球形或倒卵球形，具2或3果核；花序3-15花。

Hypanthium abaxially glabrous when old; flowers 5–13 in corymbs; leaf blade adaxially conspicuously rugose, veins prominently raised abaxially; styles 4 or 5; fruit with 4 or 5 pyrenes.

Hypanthium背面无毛老时；在伞房花序里的花5-13；显著的显著的叶片正面具皱纹，脉背面突起；花柱4或5；果具4或5果核。 33 C。 bullatus 泡叶栒子

Hypanthium abaxially slightly puberulous; flowers 1–9; leaf blade adaxially not rugose, veins raised but not prominently; styles 2; fruit with 2 pyrenes.

Hypanthium背面有点被微柔毛；花1-9；叶片正面不具皱纹，脉提高，但不是显著；花柱2 果具2果核。

Style 2-cleft or entire; stigmas 1 or 2; fruit drupes or nutletlike, usually divided into 2 or 4 pyrenes, rarely undivided; cotyledons not plicate.

花柱2半裂或全缘；柱头1或2；通常，坚果状的果核果或分为2或果核，很少不裂；子叶不折扇状。

At the same time, comprehensive assessment and classification of varieties were done. The result showed that 8 characters were loaded on 5 main factors. The first were intergrated factor of fruit, including single fruit weight, pulp thickness, edible rate and contents of soluble solid state material, From the second to the fifth factors, it reflected the fruit texture, mature period, fruit pit weight and flavor, respectively. The accumulation variance of five main factors contributing to the 8 characters reached to 93.329%, which basically summarized all 8 characters main information.

在相关分析基础上进行因子分析，结果表明，8个性状分别载荷在5个主因子上，第一主因子为果实综合因子，包括单果重、果肉厚度、可食率和可溶性固形物含量；第二至五主因子分别为反映果实质地、成熟期、果核重、风味的因子，这5个主因子对8个性状的累计方差贡献率达到93.329%，基本概括了全体8个性状的主要信息。

Fruit black, ovoid, with 1 or 2 pyrenes; inflorescence 2–4-flowered.

果黑色，卵球形，具1或2果核；花序2-4花 19 C。 tenuipes 细枝栒子

Deciduous shrub; anthers yellow; leaf blade herbaceous; fruit with 1 or 2 pyrenes.

落叶灌木花药黄叶片草质果具1或2果核。

Leaf blade elliptic to ovate; inflorescence 3- to more than 10-flowered; fruit obovoid or ovoid- globose, with 2 pyrenes.

叶片椭圆形到卵形；花序3-到多于10花；果倒卵球形或卵球形球状，具果核。 17 C。 zabelii 西北栒子

Compared the voltage negative feedback wire-feeding speed regulation system supported by current positive feedback with the rotational speed negative feedback regulation system, the equivalent condition of the two systems is obtained. Then, a wire-feeding speed regulation circuit for the CO_2 welding machine is designed based on TL494 chip, which has the self-protective function under the condition of current overloading.

通过对电压负反馈配合电流正反馈的送丝调速系统与转速负反馈调速系统的比较，得出了这两种调速系统的等效条件，并采用电压负反馈配合电流正反馈技术，设计了一种以TL494为核心的具有过电流截止保护功能的CO_2焊机送丝调速电路。

Make a model to help you determine the optimal number of tollbooths to deploy in a barrier-toll plaza.

建立一个模型来确定在一个容易造成阻塞的收费区中应该设置的收费亭的最优数量。