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In the rhombohedron, each top site is occupied by a pair of ligand-unsupported Ag atoms which are surrounded by six phenol groups in an ethane-like structure. The phenol groups at another ends of the ligands bridge the rhombohedrons into novel non-interpenetrating three-dimensional network.

在每个棱柱体内,每个顶点由无桥连配体支持的、周围的六个酚羟基以一种不寻常的、类似于乙烷分子结构的扭曲方式排列的一对 Ag 原子占据,配体另一端酚羟基将棱面体连接成新颖的非穿插的具有棱形通道(沿 a 和 b 轴方向)的三维网络结构。

Fruit a schizocarp, disk-shaped, fruit axis as long as or shorter than carpels; mericarps more than 15, laterally compressed and circular with a prominent ventral notch, glabrous or pubescent, 2-celled, proximal cell 1-seeded, distal cell sterile.

果一分果,盘形,果轴等长于或短于心皮;分果爿多于15,侧面压扁和圆形的有一突出腹槽口,无毛或被短柔毛,2室,下部室具1种子,上部室不育。

The free end of one (1) of the arms (1, 3) is provided with a securement device for the end of a strap tongue (11) comprising a guide (8) having in cross-section a general U shape, an axle (9) connecting the two lateral wings of the guide (8) and holding members (10) adapted to coact with the upper surface of the tongue (11) of the strap.

其中上述臂(1,3)中的一个臂(1)的自由端设有一个用于定位表带舌片(11)的装置,该定位装置包括横截面基本为U形的导向件(8)、用于连接导向件(8)对应两翼的轴(9)、以及适于与表带舌片(11)的上表面相互配合的固定元件(10)。

Panicle open, 10–30 cm; branches in distant whorls, capillary, flexuous, 5–15 cm, mostly unbranched, tipped by a raceme; racemes 2–5-noded with 7–13 spikelets, sometimes branched with up to 40 spikelets, disarticulating at maturity, one spikelet of a pair sessile, the other pedicellate; rachis internodes and pedicels slenderly clavate, margins ciliate, hairs 0.7–1 mm. Spikelets 4.5–5 mm; callus hairs ca. 1 mm; lower glume lanceolate, thinly pilose, veins smooth below middle, scaberulous above, apex acuminate; upper glume ciliate on margins, acuminate or emarginate and mucronate; lower floret sterile, palea reduced; upper lemma 2-lobed to middle; awn 5.5–8 mm.

圆锥花序打开,10-30厘米;在远轮生方面的分枝,发状,,5-15厘米,多数不分枝,被总状花序端部; 7-13小穗2-5有节具的总状花序,40小穗的有时分枝具可达,成熟时脱节,一对无梗,另一个的一小穗;棍棒状的轴节间和花梗slenderly,边缘具缘毛,头发0.7-1毫米小穗4.5-5毫米;胼胝体毛约1毫米;披针形,稀疏具柔毛的下部的颖片,脉平滑的中间以下,在上面微糙,先端渐尖;在边缘上具缘毛的上面颖片,渐尖的或微缺和短尖;不育的下部小花,退化的内稃;上面外稃2裂的至中部;芒5.5-8毫米花粉囊2-3毫米。

The scales are arranged spirally around the axis of the cone.

刻度在圆锥体的轴的周围螺旋形地被安排。

Leaves crowded near apex of the trunk, spirally arranged; stipes dark brown, with sharp spines; lamina large, oblong, tripinnate; pinnae 17-20 pairs, alternate, longest one to 60 cm long, the basal one reduced; rachis short-spiny; pinnules 18-20 pairs, sessile or nearly so, lanceolate, to 10 cm long and 2.5 cm wide, divided almost to the costa; segments more or less falcate, toothed.

叶螺旋状排列,聚生於茎端;叶柄棕色,具锐刺;叶片大,长矩圆形,三回羽状深裂;羽片17-20对,互生,最大的长达60厘米,基部一对缩短,羽轴有短刺;小羽片18-20对,无柄或近於无柄,披针形,长达10厘米,宽2.5厘米,深裂几达中脉;末回裂片多少镰状,有齿。

Leaf blade obtuse to subcordate at base, abaxially glabrous, secondary veins 3 or 4 pairs; twigs terete; rachis and pedicels glabrous.

叶片钝的到近心形在基部,背面无毛,次脉3或4 对;小枝圆柱状轴和花梗无毛。 21 Gaultheria leucocarpa 白果白珠

Fruit bluish black, pendulous, cylindric, 5--10 cm, ca. 2 cm in diam., verruculose, apex truncate but abaxial suture protruded into a conical umbo; surface with or without annular, depressed, and transverse traces.

果带蓝色黑色,下垂,圆筒状,直径的5-10厘米,约2厘米,小瘤状,先端截形但是背轴缝突出成为一圆锥形的凸物;有或没有环状,下凹的,和横裂的痕迹。

Moreover, the differentiation of radius of mills over vertical axis is presented for determining undeformed chip thickness along any feeding direction.

其次根据数控环境下确定任意方向进给时瞬时切削厚度的需要,还导出了任意廓形刀具半径关于刀轴的变化率,进而为建立广义铣削力模型奠定了基础。

Ovary inferior, 1-loculed; ovules 2(-6), pendulous, anatropous, usually only 1 developing; style 1, simple, usually free from distal part of calyx tube, subulate to filiform; stigma capitate or inconspicuous.

子房下位,1室;胚珠2(-6),倒悬于子房室的顶端,通常只有1个胚珠发育;花柱1,不分枝,通常从萼筒远轴中长出,钻形到丝状;柱头头状或不明显。

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