十字針法 的英文怎麼說
中文拼音 [shízìzhēnfǎ]
十字針法
英文
cross stitch-
A method of joining hemmed edges by crisscrossing thread over an open seam
花式針跡接縫將線在接縫處十字交叉縫邊的一種方法Since the shallow depth excavation is the main factor to cause ground settlement in shenzhen subway tunnel, this paper discusses some corresponding countermeasures including the improvement of ground property, appropriate draining of groundwater, scheduled excavation depth and width, etc, to control strata distortion and surface settlement, and argues that these measures are expected to effectively control surface settlement while constructing city subway in soft ground excavation
摘要針對深圳地鐵淺埋暗挖隧道施工中影響地表下降及地層變形的因素，提出了遵循「十八字」原則、改善土體特性、適度排放地下水、根據地層條件選擇施工方法、增大左右線隧道開挖面的距離、合理確定開挖進尺、提高施工效率、加強初期支護、及時施作二次襯砌等對策。A high - resolution method for frequency measurement is strongly introduced in the paper, which is aim at detecting the frequency of regular and binary phase coding modulated pulse signals with high frequency precision. considering the popularity of linear frequency modulated ( lfm ) signal in electronic systems, this paper then referred a radon - stft arithmetic to calculate the carry frequency of lfm signal. both of these methods referred above are implemented in the signal if detection software
針對常規脈沖調制信號和脈內二相編碼調制信號，本文提出一種高精度的數字化測頻方法，以提高信號載頻測量精度;線性調頻信號作為一種典型的非平穩信號在各種領域應用十分廣泛，但對其載頻的數字化測量比較困難，本文利用圖像處理中的radon變換與信號時頻分析中的線性變換相結合的演算法來完成對其載頻的測量。Cross - stitch has a unique status in the development history of chinese embroidery, with a long time of existence, a wide scope of popularization, fancy styles, wide applications, exquisite workmanship and rich and varied stitches
十字繡在中國刺繡發展史上有著獨特的地位，延續時間長，流行范圍廣，款式奇特，用途廣泛，工藝精湛，針法豐繁，通俗易懂。分享友人