鋸齒 的英文怎麼說

中文拼音 [chǐ]
鋸齒 英文
sawtooth; serration鋸齒銼 jointer
  • : Ⅰ名詞(拉開木料等的工具) saw Ⅱ動詞(用鋸拉) cut with a saw; saw
  • : Ⅰ名詞1 (牙; 牙齒) tooth 2 (物體上齒形的部分) a tooth like part of anything 3 [書面語] (年齡...
  1. Characteristics : perennial pubescent herb ; leaves dimorphic, the radical with 3 - lobes, coarsely serrate at margin ; cymes terminal ; flowers yellow, to 2 cm diam., sepals 5, petals 5 or more ; fruit consisting of many aggregated achenes

    形態:多年生草本,被毛;葉兩形,基生葉3裂,粗鋸齒緣;聚傘花序頂生;花黃色,直徑可達2公分,花萼5片,花瓣5片或更多;頭狀聚合瘦果球形。
  2. Leaves papery, oval in outline, 6 - 7cm long and 8 - 11 cm wide, base rounded or subtruncate, trilobed or sometimes 5 - lobed ; lobes triangular - ovate, rarely ovate - oblong, apex acute or acuminate, margin serrulate, with appressed acute teeth, sometimes entire near base, glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long, glabrous

    葉紙質,輪廓闊卵形,長6 - 7厘米,寬8 - 11厘米,基部圓或近截平, 3裂或有時5裂,裂片三角狀卵形,有時卵狀長圓形,頂端漸尖,邊緣有疏而銳利地鋸齒,有時近基部全緣,兩面無毛或下面脈腋有簇毛;葉柄長2 - 3厘米,無毛。
  3. Leaves tufted ; stipes 15 - 30 cm long, densely scaly at base, glabrous above ; sterile lamina about 60 cm long and 20 cm wide, simply pinnate ; pinnae numerous, alternate or subopposite, linear - lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed ; veins close, forking once or twice and forming areoles near the midrib ; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0. 4 cm wide, lower surface almost entirely covered with sporangia

    葉簇生;葉柄長15 - 30厘米,基部密被鱗片,向上近光滑;不育葉片長約60厘米,寬20厘米,一回羽狀;羽片多數,互生或近對生,線狀披針形,最長者長達12厘米,寬約1厘米,頂端長漸尖,基部心形,邊緣有細密鋸齒;葉脈1 - 2次分叉,近中脈形成網眼;能育葉與不育葉相似,但較小,長約8厘米,寬約0 . 4厘米,下部滿布孢子囊。
  4. Leaves opposite, papery, ovate, suborbicular or elliptic, 4 - 8 cm long, apex rounded, base rounded to broadly cuneate, margin with regular and slightly sinuate teeth except base, covered with yellowish brown tufted appressed hairs ; petioles 0. 6 - 1. 5 cm long

    葉對生,紙質,圓卵形、近圓形或橢圓形,長4 - 8厘米,頂端圓形,基部圓形至寬楔形,邊緣除基部外具整齊而稍帶波狀的鋸齒,兩面被黃褐色簇狀短伏毛;葉柄長6 - 15毫米。
  5. The saw - tooth profile at the bottom of the barge board now features two ' teeth ' bending upwards to dramatically reduce turbulence, and therefore improve both cooling and airflow management close to the sidepods

    破風板底部呈現鋸齒狀,現在其中兩個牙向上彎曲,戲劇性地減低了亂流,也因此增進了冷卻的效率和側箱附近氣流的管理。
  6. Metric buttress threads ; deviations and tolerances

    米制鋸齒螺紋.偏差和公差
  7. Metric buttress threads ; thread profiles

    米制鋸齒螺紋.螺紋牙形
  8. Machine tools ; buttress thread 45, single start, for hydraulic presses

    機床.液壓機的45單頭鋸齒螺紋
  9. Metric buttress threads ; general plan

    米制鋸齒螺紋.總圖
  10. Chinese clematis with serrate leaves and large yellow flowers

    鋸齒狀葉子和大黃花的中國鐵線蓮。
  11. The teeth of the saw were clogged with saw dust.

    鋸齒為木屑所妨礙。
  12. Treatment of long bone fracture with girdle device with crenate arm made of tini memory alloy

    記憶合金鋸齒臂環抱器治療長管狀骨骨折
  13. Dentate toothed describing leaf margins that have a series of outward - pointing notches

    狀(鋸齒狀的) :葉片邊緣有一系列向外的缺刻。
  14. Leaves tufted ; stipes stout, up to 1. 2 m long, densely covered with golden brown hairs at base ; lamina up to 2 m long and 1 m wide, tripinnatifid ; pinnae alternate, sparsely spaced ; pinnules linear - lanceolate, to 15 cm long and 1 - 2. 5 cm wide, short - stipitate ; ultimate lobes linear, more or less falcate, shallowly serrate, dark green and shining above, light green to glaucous below

    葉簇生;葉柄粗壯,長可達1 . 2米,基部亦密被金黃褐色毛;葉片長可達2米,寬達1米,三回羽狀分裂;羽片互生,疏離;小羽片線狀披針形,長達15厘米,寬1 - 2 . 5厘米,具短柄;末回裂片線形,略呈鐮狀,邊緣有淺鋸齒,上面深綠色,有光澤,下麵灰白色。
  15. Wra - fluey ring cleaner, green, the body is of micro - porous type, soft and elastic with special surface structure capable of absorbing flying floss, oil, moisture, and static form rubber roller, ring, dent roller, metal duff, so as to keep up elements clean and dry

    清潔輥絨圈,綠色,本體為微孔層、柔軟富有彈性、表面有峰谷,可吸附膠輥、膠圈,鋸齒羅拉,金屬道夫表面的微量飛花、油劑、水分、靜電質等,從而保持元器件的結晶乾燥。
  16. When you ' ve done that, you need to gently pull up the green zigzag bits to create a frilly pattern

    當這些完成以後,需要將綠色的鋸齒邊輕輕地卷一下,做成褶邊
  17. It shows many typical characters seen in the type species of the genus of sinornithosaurus, which discovered also from western liaoning. ngmc 00 - 12 - a can further be included in sinornithosaurus by the dentary bifurcated posteriorly, unserrated premaxillary teeth, u - shaped furcula, extremel y short manual phalanx iii - 2 in comparison with the length of phalanx iii - l, very large and developed obturator process of the ischium, partially arctometatarsalian metatarsal iii and so on

    它具有許多中國鳥龍屬sinornithosaurus所特有的特徵,如:骨後部分叉、前頜骨冠前後緣均無小鋸齒、叉骨u形、第指第2指節很短、坐骨封閉突極大且具有坐骨後背突、第?骨部分窄足型等,因而無疑應歸入該屬中。
  18. Jagged rocks stuck up through the grass.

    鋸齒狀的巖石從雜草中突了出來。
  19. Pale to yellow - green, textured, slightly elongated to ovate, very hairy, serrated, variable internode length / pale back. trailer

    淺到黃綠色葉,很結構性,葉面多毛,鋸齒葉緣。懸垂型。
  20. Time seemed to him to be crawling with feet of lead, while he by monstrous winds was being swept towards the jagged edge of some black cleft of precipice.

    他覺得時間在沉重地向前爬行,而他自己卻在被一陣妖風刮向某一黑色斷崖的鋸齒形邊緣上。
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