Up to now, technology has been just groping.

到目前为止，科技仅仅在黑暗中摸索。

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But steel structure residence has many shortfalls on materials, technology, economy and market, as it is in groping phase in our country.

我国钢结构住宅尚处于探索起步阶段，从建筑材料、生产技术、防火技术、经济性及市场可接受程度，都有许多不完善之处。

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Since then, several small companies have been groping for the technology and funding to bring electric cars back to the streets.

FORBES: Caution: High Voltage